Police oficers stand guard next to a truck containing election material during the municipal and parliamentary elections, in San Salvador, El Salvador, February 28, 2021. REUTERS/Jose Cabezas REFILE - QUALITY REPEAT

Nigerian artist Nathaniel Hodonu prepares materials for his coconut artworks at his workshop in Lagos, Nigeria February 9, 2021. Picture taken February 9, 2021. REUTERS/Seun Sanni

Contractors remove material from a ceiling in a recently-purchased home that sustained water damage due to busted pipes, which froze during an unprecedented winter storm, in Houston, Texas, U.S., February 19, 2021. REUTERS/Callaghan O'Hare

Drew Ainscough looks on as contractors remove material from the ceiling of his recently-purchased home, which sustained water damage after its pipes froze during an unprecedented winter storm, in Houston, Texas, U.S., February 19, 2021. REUTERS/Callaghan O'Hare

A contractor removes material from a ceiling in a recently-purchased home that sustained water damage due to busted pipes, which froze during an unprecedented winter storm, in Houston, Texas, U.S., February 19, 2021. REUTERS/Callaghan O'Hare

Assorted types of material are used along the San Ysidro border wall with Mexico during the outbreak of the coronavirus disease (COVID-19) in San Diego, California, U.S., February 19, 2021. REUTERS/Mike

Members of Indo-Tibetan Border Police (ITBP) unload relief goods at a temporary base camp set up by ITBP for distribution of relief material in the affected areas, after a flash flood swept a mountain valley destroying dams and bridges, at Lata village in Chamoli district, northern state of Uttarakhand, India, February 12, 2021. REUTERS/Anushree Fadnavis

An Indo-Tibetan Border Police (ITBP) officer explains the location of affected villages on a map at a temporary base camp set up by ITBP for distribution of relief material in the affected areas, after a flash flood swept a mountain valley destroying dams and bridges, at Lata village in Chamoli district, in the northern state of Uttarakhand, India, February 12, 2021. REUTERS/Anushree Fadnavis

Children run next to drying raw material of incense sticks ahead of Lunar New Year celebrations in Quang Phu Cau village outside Hanoi, Vietnam, February 3, 2021. Picture taken February 3, 2021. REUTERS/Thanh Hue

Workers prepare voting materials at the Ninot Market, which will be a polling station for the February 14 regional election, during the coronavirus disease (COVID-19) outbreak in Barcelona, Spain February 10, 2021. REUTERS/Nacho Doce

Ballot boxes and other electoral materials are seen at the Kampala tally centre after the presidential and parliamentary elections in Kampala, Uganda January 15, 2021. REUTERS/Abubaker Lubowa

Ballot boxes and other electoral materials are seen at the Kampala tally centre after the presidential and parliamentary elections in Kampala, Uganda January 15, 2021. REUTERS/Abubaker Lubowa

Ballot boxes and other electoral materials are seen at the Kampala tally centre after the presidential and parliamentary elections in Kampala, Uganda January 15, 2021. REUTERS/Abubaker Lubowa

Ballot boxes and other electoral materials are seen at the Kampala tally centre after the presidential and parliamentary elections in Kampala, Uganda January 15, 2021. REUTERS/Abubaker Lubowa

A man carries voting materials for the presidential elections upon their arrival at a voting center in Kampala, Uganda, January 14, 2021. REUTERS/Baz Ratner

Voting materials for the presidential elections are checked upon arriving at a voting center in Kampala, Uganda, January 14, 2021. REUTERS/Baz Ratner

Brazilian forestry student Mateus Sanquetta separates material collected in the Amazon to check how much climate-warming greenhouse gas a small plot of the rainforest can contain, at the Center of Excellence in Research on Carbon Fixation in Biomass at the Federal University of Parana in Curitiba, Brazil, December 1, 2020. Picture taken Decemer 1, 2020 REUTERS/Rodolfo Buhrer

Brazilian researcher Emmanoella Guarana analyzes material collected in the Amazon to check how much climate-warming greenhouse gas a small plot of the rainforest can contain, at the Center of Excellence in Research on Carbon Fixation in Biomass at the Federal University of Parana in Curitiba, Brazil, December 1, 2020. Picture taken Decemer 1, 2020 REUTERS/Rodolfo Buhrer

Brazilian forestry student Mateus Sanquetta separates material collected in the Amazon to check how much climate-warming greenhouse gas a small plot of the rainforest can contain, at the Center of Excellence in Research on Carbon Fixation in Biomass at the Federal University of Parana in Curitiba, Brazil, December 1, 2020. Picture taken Decemer 1, 2020 REUTERS/Rodolfo Buhrer

Brazilian forestry student Mateus Sanquetta separates material collected in the Amazon to check how much climate-warming greenhouse gas a small plot of the rainforest can contain, at the Center of Excellence in Research on Carbon Fixation in Biomass at the Federal University of Parana in Curitiba, Brazil, December 1, 2020. Picture taken Decemer 1, 2020 REUTERS/Rodolfo Buhrer

Brazilian researcher Emmanoella Guarana analyzes material collected in the Amazon to check how much climate-warming greenhouse gas a small plot of the rainforest can contain, at the Center of Excellence in Research on Carbon Fixation in Biomass at the Federal University of Parana in Curitiba, Brazil, December 1, 2020. Picture taken Decemer 1, 2020 REUTERS/Rodolfo Buhrer

Brazilian forestry student Mateus Sanquetta separates material collected in the Amazon to check how much climate-warming greenhouse gas a small plot of the rainforest can contain, at the Center of Excellence in Research on Carbon Fixation in Biomass at the Federal University of Parana in Curitiba, Brazil, December 1, 2020. Picture taken Decemer 1, 2020 REUTERS/Rodolfo Buhrer

Model poses with a piece made with recycled materials at a fashion show in Taipei, Taiwan, December 18, 2020. Picture taken December 18, 2020. REUTERS/Ann Wang TPX IMAGES OF THE DAY

Wang Li-ling looks for materials to collect at the waste storage that can be used for her dress in Taipei, Taiwan, December 10, 2020. Picture taken December 10, 2020. REUTERS/Ann Wang

Model walks with a dress made with recycled materials during a fashion show in Taipei, Taiwan, December 18, 2020. Picture taken December 18, 2020. REUTERS/Ann Wang

Models pose with their dresses made with recycled materials at the end of a fashion show in Taipei, Taiwan, December 18, 2020. Picture taken December 18, 2020. REUTERS/Ann Wang

Model walks with a dress made with recycled materials during a fashion show in Taipei, Taiwan, December 18, 2020. Picture taken December 18, 2020. REUTERS/Ann Wang

A worker prepares materials for vaccination at University Hospital's COVID-19 vaccine clinic at Rutgers New Jersey Medical School in Newark, New Jersey, U.S., December 15, 2020. REUTERS/Eduardo Munoz

A man recovers materials from the mud outside his house damaged by floods, due to the rains brought by Hurricanes Eta and Iota, in Chamelecon, Honduras December 5, 2020. Picture taken December 5, 2020. REUTERS/Jose Cabezas

Evelia De La Cruz, a hospital housekeeper at Roseland Community Hospital, takes waste materials from a coronavirus disease (COVID-19) positive patient's isolation room in the intensive care unit on the South Side of Chicago, Illinois, U.S., December 4, 2020. Picture taken December 4, 2020. REUTERS/Shannon Stapleton

Evelia De La Cruz, a hospital housekeeper at Roseland Community Hospital, walks past a coronavirus disease (COVID-19) positive patient's isolation room in the intensive care unit on the South Side of Chicago, Illinois, U.S., December 4, 2020. Picture taken December 4, 2020. REUTERS/Shannon Stapleton

Construction materials are spread out along Pennsylvania Avenue ahead of the development of the viewing stands for Inauguration Day, outside the White House in Washington, U.S., December 7, 2020. REUTERS/Tom Brenner

Workers carry boxes with voting materials at the National Electoral Council facility in Guarenas, Venezuela November 27, 2020. Picture taken November 27, 2020. REUTERS/Manaure Quintero

People work by the boxes for voting materials at the National Electoral Council facility in Guarenas, Venezuela November 27, 2020. Picture taken November 27, 2020. REUTERS/Manaure Quintero

Workers wearing protective gear due to the coronavirus disease (COVID-19) pandemic fill boxes with voting materials at the National Electoral Council facility in Guarenas, Venezuela November 27, 2020. Picture taken November 27, 2020. REUTERS/Manaure Quintero

A worker disinfects the area where boxes with voting material are filled at the National Electoral Council facility in Guarenas, Venezuela November 27, 2020. Picture taken November 27, 2020. REUTERS/Manaure Quintero

A box of material for rapid COVID-19 antigenic tests made by Swiss drugmaker Roche is pictured at the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, November 13, 2020. REUTERS/Denis Balibouse

A box of material for rapid COVID-19 antigenic tests made by Swiss drugmaker Roche is pictured at the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, November 13, 2020. REUTERS/Denis Balibouse

A box of material for rapid COVID-19 antigenic tests made by Swiss drugmaker Roche is pictured at the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, November 13, 2020. REUTERS/Denis Balibouse

A box of material for rapid COVID-19 antigenic tests made by Swiss drugmaker Roche is pictured at the University Hospital (CHUV) during the coronavirus disease (COVID-19) outbreak in Lausanne, Switzerland, November 13, 2020. REUTERS/Denis Balibouse

A damaged cable is seen on a railway track as a man sorts out recyclable material near a vandalized train station in Soweto's Kliptown, South Africa, October 19, 2020. Picture taken October 19, 2020. REUTERS /Siphiwe Sibeko

Scientist Frank Helleis poses for a portrait under the ventilation system he developed for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Pupils attend their French lesson in a classroom equipped with a ventilation system developed by scientist Frank Helleis for school classrooms only made from material available at do-it-yourself shops as the spread of the coronavirus disease (COVID-19) continues in Mainz, Germany, November 12, 2020, REUTERS/Kai Pfaffenbach

Boxes with ballot material for the parliamentary elections which will be held on November 10 are pictured at a vote counting center , amid fears over rising number of the coronavirus disease (COVID-19) cases, in Amman, Jordan November 8, 2020. REUTERS/Muhammad Hamed

An electoral worker stands next to boxes with ballot material following the 2020 U.S. presidential election, in Philadelphia, Pennsylvania, U.S. November 6, 2020. REUTERS/Eduardo Mu?oz

An employee rolls materials while shoppers visit a Lowe's hardware store in Philadelphia, Pennsylvania, U.S. November 4, 2020. REUTERS/Mark Makela

A warning against stealing campaign signs sits amidst others supporting U.S. President Donald Trump in a political season that has seen such campaign material stolen or vandalized, on a busy road in Hillsborough, Orange County, North Carolina, U.S., November 2, 2020. REUTERS/Jonathan Drake

Campaign material and a map of Staten Island are seen at the Staten Island Republican Party headquarters on Staten Island in New York City, U.S., October 13, 2020. Picture taken October 13, 2020. REUTERS/Andrew Kelly

A construction material factory of the China Railway Construction Corporation (CRCC) is seen in Rinbung County, during a government-organised tour of the Tibet Autonomous Region, China, October 17, 2020. Picture taken October 17, 2020. REUTERS/Thomas Peter

Street Food Vendor Miguel Perez, 48, holds a voting sign to draw attention to a Get-Out-the-Vote awareness campaign that will involve street vendors distributing voting materials, during the global outbreak of the coronavirus disease (COVID-19), in Los Angeles, California, U.S., October 29, 2020. REUTERS/Lucy Nicholson

Street Food Vendor Faustino Martinez, 66, holds a voting sign to draw attention to a Get-Out-the-Vote awareness campaign that will involve street vendors distributing voting materials, during the global outbreak of the coronavirus disease (COVID-19), in Los Angeles, California, U.S., October 29, 2020. REUTERS/Lucy Nicholson

Street Food Vendors hold voting signs to draw attention to a Get-Out-the-Vote awareness campaign that will involve street vendors distributing voting materials, during the global outbreak of the coronavirus disease (COVID-19), in Los Angeles, California, U.S., October 29, 2020. REUTERS/Lucy Nicholson