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LARGE ELECTRIC PHOSPHATE SMELTING FURNACE USED IN THE MAKING OF ELEMENTAL PHOSPHORUS IN A TVA CHEMICAL PLANT IN THE MUSCLE SHOALS AREA, ALABAMA.

Large electric phosphate smelting furnace used in the making of elemental phosphorus in a TVA chemical plant in the Muscle Shoals area, Alabama. Large electric phosphate smelting furnace used in the making...Muscle Shoals area, Alabama, 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

A LARGE ELECTRIC PHOSPHATE SMELTING FURNACE USED TO MAKE ELEMENTAL PHOSPHORUS IN A TVA CHEMICAL PLANT IN THE VICINITY OF MUSCLE SHOALS, ALA.

A large electric phosphate smelting furnace used to make elemental phosphorus in a TVA chemical plant in the vicinity of Muscle Shoals, Ala. A large electric phosphate smelting furnace used to make...vicinity of Muscle Shoals, Ala., 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

ELECTRIC PHOSPHATE SMELTING FURNACE USED TO MAKE ELEMENTAL PHOSPHORUS IN A TVA CHEMICAL PLANT IN THE VICINITY OF MUSCLE SHOALS, ALABAMA.

Electric phosphate smelting furnace used to make elemental phosphorus in a TVA chemical plant in the vicinity of Muscle Shoals, Alabama. Electric phosphate smelting furnace used to make element...vicinity of Muscle Shoals, Alabama, 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

SMOKE STACK OF TVA CHEMICAL PLANT WHERE ELEMENTAL PHOSPHORUS IS MADE, VICINITY OF MUSCLE SHOALS, ALABAMA.

Smoke stack of TVA chemical plant where elemental phosphorus is made, vicinity of Muscle Shoals, Alabama. Smoke stack of TVA chemical plant where elemental..., vicinity of Muscle Shoals, Alabama, 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

TVA CHEMICAL PLANT, WHERE ELEMENTAL PHOSPHORUS IS MADE, VICINITY OF MUSCLE SHOALS, ALABAMA.

TVA chemical plant, where elemental phosphorus is made, vicinity of Muscle Shoals, Alabama. TVA chemical plant, where elemental phosphorus is made, vicinity of Muscle Shoals, Alabama, 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

A LARGE ELECTRIC PHOSPHATE SMELTING FURNACE USED IN THE MAKING OF ELEMENTAL PHOSPHORUS IN A TVA CHEMICAL PLANT IN THE MUSCLE SHOALS AREA, ALABAMA.

A large electric phosphate smelting furnace used in the making of elemental phosphorus in a TVA chemical plant in the Muscle Shoals area, Alabama. A large electric phosphate smelting furnace used in the making...Muscle Shoals area, Alabama, 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

PROF. SILLMAN [SIC], BETWEEN 1855 AND 1865. [PROFESSOR OF CHEMISTRY AT YALE UNIVERSITY; INSTRUMENTAL IN DEVELOPING THE OIL INDUSTRY].

Prof. Sillman [sic], between 1855 and 1865. [Professor of chemistry at Yale University; instrumental in developing the oil industry]. Professor Benjamin Silliman, between 1855 and 1865. Creator: Unknown. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

ELECTRIC PHOSPHATE SMELTING FURNACE USED IN THE MAKING OF ELEMENTAL PHOSPHORUS IN A TVA CHEMICAL PLANT IN THE MUSCLE SHOALS AREA, ALABAMA.

Electric phosphate smelting furnace used in the making of elemental phosphorus in a TVA chemical plant in the Muscle Shoals area, Alabama. Electric phosphate smelting furnace used in the making of elem...Muscle Shoals area, Alabama, 1942. Creator: Alfred T Palmer. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)

DOCTOR EXAMINING DNA MOLECULE MODEL IN LABORATORY

Doctor examining DNA molecule model in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

MATURE SCIENTIST HOLDING HELIX MODEL IN LABORATORY

Mature scientist holding helix model in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

SCIENTIST EXAMINING DNA MOLECULE IN LABORATORY

Scientist examining DNA molecule in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

YOUNG SCIENTIST EXAMINING HELIX MODEL IN LABORATORY

Young scientist examining helix model in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

YOUNG SCIENTIST ANALYZING HELIX MODEL IN LABORATORY

Young scientist analyzing helix model in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

SCIENTIST EXAMINING DNA MODEL IN LABORATORY

Scientist examining DNA model in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

SMILING SCIENTIST HOLDING HELIX MODEL IN LABORATORY

Smiling scientist holding helix model in laboratory (KEYSTONE/WESTEND61/EUGENIO MARONGIU)

FIRST PAGE OF THE OLDEST HANDWRITTEN MANUSCRIPT OF THE LAW BOOK OF EMPEROR LOUIS THE BAVARIAN, 1346, GERMANY. LUDWIG IV 1282, 1347, CALLED THE BAVARIAN, DIGITALLY RESTORED REPRODUCTION OF A 19TH CENTURY ORIGINAL, EXACT ORIGINAL DATE UNKNOWN

Erste Seite des aeltesten handschriftlichen Manuskripts des Rechtsbuchs von Kaiser Ludwig des Baiern, 1346, Deutschland. Ludwig IV. 1282, 1347, genannt der Bayer, digital restaurierte Reproduktion einer Originalvorlage aus dem 19. Jahrhundert, genaues Originaldatum nicht bekannt First page of the oldest handwritten manuscript of the law book of Emperor Louis the Bavarian, 1346, Germany. Ludwig IV 1282, 1347, called the Bavarian, digitally restored reproduction of a 19th century original, exact original date unknown (KEYSTONE/imageBROKER/SUNNY CELESTE)

BUSINESSWOMAN EXAMINING MOLECULAR STRUCTURE IN OFFICE

Businesswoman examining molecular structure in office (KEYSTONE/WESTEND61/JOSEFFSON)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Markus Georg from Münzing Emulsions-Chemie GmbH takes a look at the chemical company's new emulsion line on the occasion of the official start-up. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Michael Münzing, Managing Director of Münzing Chemie, speaks at the official commissioning of a new emulsion line of the chemical company. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Markus Georg from Münzing Emulsions-Chemie GmbH takes a look at the chemical company's new emulsion line on the occasion of the official start-up. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Michael Münzing, Managing Director of Münzing Chemie, speaks at the official commissioning of a new emulsion line of the chemical company. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Markus Georg from Münzing Emulsions-Chemie GmbH takes a look at the chemical company's new emulsion line on the occasion of the official start-up. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Markus Georg from Münzing Emulsions-Chemie GmbH takes a look at the chemical company's new emulsion line on the occasion of the official start-up. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Markus Georg from Münzing Emulsions-Chemie GmbH takes a look at the chemical company's new emulsion line on the occasion of the official start-up. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Ingredients for specialty additives are on display in the new production facility of Münzing Emulsions-Chemie GmbH. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for the construction chemicals industry. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

MÜNZING CHEMIE INVESTS IN ZEITZ CHEMICAL PARK

28 June 2022, Saxony-Anhalt, Elsteraue: Michael Münzing, Managing Director of Münzing Chemie, speaks at the official commissioning of a new emulsion line of the chemical company. The company from Baden-Württemberg has invested around 50 million euros in the site expansion. The new plant will produce specialty additives for construction chemicals. The plant is scheduled to run at full capacity from September. Photo: Hendrik Schmidt/dpa (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Zutaten für Spezialadditive stehen zu Schauzwecken in der neuen Produktion der Münzing Emulsions-Chemie GmbH. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Michael Münzing, Geschäftsführer von Münzing Chemie, spricht zur offiziellen Inbetriebnahme einer neuen Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Michael Münzing, Geschäftsführer von Münzing Chemie, spricht zur offiziellen Inbetriebnahme einer neuen Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Zur offiziellen Inbetriebnahme wirft Markus Georg von der Münzing Emulsions-Chemie GmbH einen Blick in die neue Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Zur offiziellen Inbetriebnahme wirft Markus Georg von der Münzing Emulsions-Chemie GmbH einen Blick in die neue Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Zur offiziellen Inbetriebnahme wirft Markus Georg von der Münzing Emulsions-Chemie GmbH einen Blick in die neue Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Zur offiziellen Inbetriebnahme wirft Markus Georg von der Münzing Emulsions-Chemie GmbH einen Blick in die neue Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

DEUTSCHLAND MÜNZING CHEMIE INVESTIERT IM CHEMIEPARK ZEITZ

28.06.2022, Sachsen-Anhalt, Elsteraue: Zur offiziellen Inbetriebnahme wirft Markus Georg von der Münzing Emulsions-Chemie GmbH einen Blick in die neue Emulsionslinie des Chemieuntenehmens. Rund 50 Millionen Euro hat das Unternehmen aus Baden-Württemberg in die Standorterweiterung investiert. In der neuen Anlage werden Spezialadditive für die Bauchemie hergestellt. Ab September soll die Anlage mit voller Kapazität laufen. Foto: Hendrik Schmidt/dpa +++ dpa-Bildfunk +++ (KEYSTONE/DPA/Hendrik Schmidt)

POOL FLOAT AND CHLORINE TABLETS, CLOSE UP OF A FLOAT AND CHLORINE TABLETS ON THE EDGE OF A SWIMMING POOL. TABLETS WITH CHLORINE DISPENSER FOR SWIMMING POOL. CHLORINE TABLETS WITH DOSING FLOAT

Poolschwimmer und Chlortabletten, Nahaufnahme eines Schwimmers und Chlortabletten am Rande eines Schwimmbads. Chlortabletten mit Chlordosierer fuer Schwimmbad. Chlortabletten mit Dosierschwimmer Pool float and chlorine tablets, Close up of a float and chlorine tablets on the edge of a swimming pool. Tablets with chlorine dispenser for swimming pool. Chlorine tablets with dosing float (KEYSTONE/imageBROKER/ISAI HERNANDEZ)

A POOL FLOAT AND CHLORINE TABLETS ON THE EDGE OF A SWIMMING POOL. TABLETS WITH CHLORINE DISPENSER FOR SWIMMING POOLS. CHLORINE TABLETS WITH DOSING FLOAT, POOL FLOAT AND CHLORINE TABLETS

Ein Schwimmbeckenschwimmer und Chlortabletten am Rande eines Schwimmbeckens. Chlortabletten mit Chlordosierer fuer Schwimmbaeder. Chlortabletten mit Dosierschwimmer, Poolschwimmer und Chlortabletten A pool float and chlorine tablets on the edge of a swimming pool. Tablets with chlorine dispenser for swimming pools. Chlorine tablets with dosing float, Pool float and chlorine tablets (KEYSTONE/imageBROKER/ISAI HERNANDEZ)

TABLETS WITH CHLORINE DISPENSER FOR SWIMMING POOLS. CHLORINE TABLETS WITH DOSING FLOAT, POOL FLOAT AND CHLORINE TABLETS, A POOL FLOAT AND CHLORINE TABLETS ON THE EDGE OF A SWIMMING POOL

Chlortabletten mit Chlordosierer fuer Schwimmbaeder. Chlortabletten mit Dosierschwimmer, Poolschwimmer und Chlortabletten, Ein Poolschwimmer und Chlortabletten am Rand eines Schwimmbeckens Tablets with chlorine dispenser for swimming pools. Chlorine tablets with dosing float, Pool float and chlorine tablets, A pool float and chlorine tablets on the edge of a swimming pool (KEYSTONE/imageBROKER/ISAI HERNANDEZ)

CHLORINE TABLETS FOR SWIMMING POOL CLEANING AND MAINTENANCE, CHLORINE TABLETS KIT IN THE EDGE OF A SWIMMING POOL, CHLORINE TABLETS FOR SWIMMING POOL DISINFECTION

Chlortabletten fuer die Reinigung und Pflege von Schwimmbaedern, Chlortabletten-Set fuer den Schwimmbadrand, Chlortabletten fuer die Desinfektion von Schwimmbaedern Chlorine tablets for swimming pool cleaning and maintenance, Chlorine tablets kit in the edge of a swimming pool, chlorine tablets for swimming pool disinfection (KEYSTONE/imageBROKER/ISAI HERNANDEZ)

CHLORINE TABLETS KIT IN THE EDGE OF A SWIMMING POOL, CHLORINE TABLETS FOR SWIMMING POOL DISINFECTION, CHLORINE TABLETS FOR SWIMMING POOL CLEANING AND MAINTENANCE

Chlortabletten-Kit am Beckenrand, Chlortabletten zur Schwimmbaddesinfektion, Chlortabletten zur Schwimmbadreinigung und -pflege Chlorine tablets kit in the edge of a swimming pool, chlorine tablets for swimming pool disinfection, Chlorine tablets for swimming pool cleaning and maintenance (KEYSTONE/imageBROKER/ISAI HERNANDEZ)

HAND OF SCIENTIST TRANSFERRING SOLUTION FROM PIPETTE TO PETRI DISH IN LABORATORY

Hand of scientist transferring solution from pipette to petri dish in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

PIPETTE TRANSFERRING SOLUTION INTO PETRI DISH IN LABORATORY

Pipette transferring solution into petri dish in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

HAND OF SCIENTIST PIPETTING SAMPLE INTO VIAL FOR LABORATORY EXPERIMENT

Hand of scientist pipetting sample into vial for laboratory experiment. (KEYSTONE/WESTEND61/Andrew Brookes)

EXCHANGING SOLUTION FROM PIPETTE TO PETRI DISH IN LABORATORY

Exchanging solution from pipette to petri dish in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

SCIENTIST FILLING TUBULES WITH SOLUTION FOR EXPERIMENT IN LABORATORY

Scientist filling tubules with solution for experiment in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

SCIENTIST FILLING MICROPLATE WITH PIPETTE IN LABORATORY

Scientist filling microplate with pipette in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

PIPETTING SAMPLE IN TUBULES AT LABORATORY

Pipetting sample in tubules at laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

PIPETTE FILLING MICROPLATE TUBULES WITH LIQUID SOLUTION IN LABORATORY

Pipette filling microplate tubules with liquid solution in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

SCIENTIST HOLDING MICROPLATE COVER IN LABORATORY

Scientist holding microplate cover in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

SCIENTIST EXPERIMENTING WITH MICROPLATE IN LABORATORY

Scientist experimenting with microplate in laboratory. (KEYSTONE/WESTEND61/Andrew Brookes)

BEAUTIFUL BUSINESSWOMAN ANALYZING MOLECULAR MODEL IN OFFICE

Beautiful businesswoman analyzing molecular model in office. (KEYSTONE/WESTEND61/Joseffson)

BUSINESSWOMAN ANALYZING MOLECULAR MODEL IN OFFICE

Businesswoman analyzing molecular model in office. (KEYSTONE/WESTEND61/Joseffson)

BUSINESSWOMAN EXAMINING MOLECULAR MODEL IN OFFICE

Businesswoman examining molecular model in office. (KEYSTONE/WESTEND61/Joseffson)

BUSINESSWOMAN WEARING EYEGLASSES EXAMINING MOLECULAR MODEL IN OFFICE

Businesswoman wearing eyeglasses examining molecular model in office. (KEYSTONE/WESTEND61/Joseffson)

SMILING BUSINESSWOMAN EXAMINING MOLECULAR MODEL IN OFFICE

Smiling businesswoman examining molecular model in office. (KEYSTONE/WESTEND61/Joseffson)

BUSINESSWOMAN EXAMINING MOLECULAR MODEL IN OFFICE

Businesswoman examining molecular model in office. (KEYSTONE/WESTEND61/Joseffson)

BUSINESSWOMAN ANALYZING MOLECULAR STRUCTURE MODEL IN OFFICE

Businesswoman analyzing molecular structure model in office. (KEYSTONE/WESTEND61/Joseffson)

POOL CLEANING CHLORINE TABLETS KIT, POOL CLEANING CHLORINE TABLETS CLOSE UP ON THE EDGE OF A SWIMMING POOL, POOL SANITIZING CHLORINE TABLETS CONCEPT

Poolreinigung Chlortabletten Kit, Poolreinigung Chlortabletten Nahaufnahme auf dem Rand eines Swimmingpools, Pool Sanitizing Chlortabletten Konzept. Pool cleaning chlorine tablets kit, pool cleaning chlorine tablets close up on the edge of a swimming pool, pool sanitizing chlorine tablets concept. (KEYSTONE/imageBROKER/Isai Hernandez)

CLOSE UP OF CHLORINE TABLETS FOR POOL CLEANING, CHLORINE TABLETS TO CLEAN POOLS, CONCEPT OF CHLORINE TABLETS TO SANITIZE POOLS

Nahaufnahme von Chlortabletten fuer die Schwimmbadreinigung, Chlortabletten zur Reinigung von Schwimmbaedern, Konzept von Chlortabletten zur Desinfektion von Schwimmbaedern. Close up of chlorine tablets for pool cleaning, chlorine tablets to clean pools, concept of chlorine tablets to sanitize pools. (KEYSTONE/imageBROKER/Isai Hernandez)

CHLORINE TABLETS TO CLEAN SWIMMING POOL, CLOSE UP OF CHLORINE TABLETS TO CLEAN SWIMMING POOLS, CONCEPT OF CHLORINE TABLETS TO SANITIZE SWIMMING POOLS

Chlortabletten zum Reinigen von Schwimmbaedern, Nahaufnahme von Chlortabletten zum Reinigen von Schwimmbaedern, Konzept von Chlortabletten zum Desinfizieren von Schwimmbaedern. Chlorine tablets to clean swimming pool, Close up of chlorine tablets to clean swimming pools, concept of chlorine tablets to sanitize swimming pools. (KEYSTONE/imageBROKER/Isai Hernandez)

CLOSE-UP OF SOME CHLORINE TABLETS FOR CLEANING ON THE EDGE OF A SWIMMING POOL, CHLORINE TABLETS TO CLEAN SWIMMING POOLS, CONCEPT OF CHLORINE TABLETS TO DISINFECT SWIMMING POOLS

Nahaufnahme einiger Chlortabletten zur Reinigung am Rande eines Schwimmbads, Chlortabletten zur Reinigung von Schwimmbaedern, Konzept von Chlortabletten zur Desinfektion von Schwimmbaedern. Close-up of some chlorine tablets for cleaning on the edge of a swimming pool, chlorine tablets to clean swimming pools, concept of chlorine tablets to disinfect swimming pools. (KEYSTONE/imageBROKER/Isai Hernandez)

MOLECULAR STRUCTURE ON DINING TABLE AT HOME

Molecular structure on dining table at home. (KEYSTONE/WESTEND61/Jo Kirchherr)

SMILING WOMAN EXAMINING MOLECULAR STRUCTURE AT TABLE

Smiling woman examining molecular structure at table. (KEYSTONE/WESTEND61/Jo Kirchherr)

PRINTING, WIRE BOOK STITCHER IMPERIAL II OF MASCHINENFABRIK GEBRUEDER BREHMER, LEIPZIG, GERMANY, 1890, HISTORIC, DIGITALLY RESTORED REPRODUCTION OF AN ORIGINAL 19TH CENTURY MASTER, EXACT ORIGINAL DATE UNKNOWN

Druckereiwesen, Draht-Buchheftmaschine Imperial II der Maschinenfabrik Gebrueder Brehmer, Leipzig, Deutschland, 1890, Historisch, digital restaurierte Reproduktion einer Originalvorlage aus dem 19. Jahrhundert, genaues Originaldatum nicht bekannt. Printing, wire book stitcher Imperial II of Maschinenfabrik Gebrueder Brehmer, Leipzig, Germany, 1890, Historic, digitally restored reproduction of an original 19th century master, exact original date unknown. (KEYSTONE/imageBROKER/Sunny Celeste)

PRINTING TRADE, SHEET FOLDING MACHINE FOR 1, HISTORIC, DIGITALLY RESTORED REPRODUCTION OF AN ORIGINAL FROM THE 19TH CENTURY, EXACT ORIGINAL DATE UNKNOWNTO 3 BOOK, MASCHINENFABRIK GEBRUEDER BREHMER, LEIPZIG, GERMANY, 1890

Druckereiwesen, Bogenfalzmaschine fuer 1, Historisch, digital restaurierte Reproduktion einer Originalvorlage aus dem 19. Jahrhundert, genaues Originaldatum nicht bekanntbis 3 Buch, Maschinenfabrik Gebrueder Brehmer, Leipzig, Deutschland, 1890. Printing trade, sheet folding machine for 1, Historic, digitally restored reproduction of an original from the 19th century, exact original date unknownto 3 book, Maschinenfabrik Gebrueder Brehmer, Leipzig, Germany, 1890. (KEYSTONE/imageBROKER/Sunny Celeste)