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man wearing protection suit, standing in metal constraction of building
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environmental engineers work at wastewater treatment plants
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cleaning and disinfection workers in protective gear
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workers in a marble factory
兩個穿著個人防護裝置的清潔人員在辦公大樓內清理樓梯欄位
disinfection of public area by hazmat team
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一名工人与一名警察在街上抗议covid-19
白人研究員穿著防護服,在綠地進行害蟲控制時使用筆記型電腦
一支减少石棉的团队在建筑上工作,树木在前景中挥舞
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environmental engineers work at wastewater treatment plants
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business woman and engineer meeting together. concept of construction, agreement, partnership, teamwork and relationship.
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two construction workers in orange uniform and helmets walking together. one of them lost his helmet. having fun
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戴着面具的快乐商人同事在办公大楼见面, 互相用肘部打招呼,
two female doctors in protective wear resting on floor in corridor
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pharmaceutical manufacturing process in a cleanroom
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men wearing protective gear in factory
戴着面具的商人同事在外面见面,
辦公大樓內一個穿著個人防護裝置的清潔工在清潔窗戶玻璃的正面圖 1
兩個穿著個人防護裝置的清潔人員在辦公大樓內觀看攝影機
two tired doctors in protective wear sitting on floor in hallway
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workmates in a marble factory
architects celebrating with champagne
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兩個穿著個人防護裝置的清潔人員在辦公大樓內觀看攝影機,同時持有清潔產品和破布
woman relaxing at spa
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men wearing protective gear in factory
factory worker in protective gear
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environmental engineers work at wastewater treatment plants
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兩個穿著個人防護裝置的清潔人員在辦公大樓內清潔樓梯欄位的頂部景色
success grows when two leaders link up
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一名警察在街上推着一名建筑工人抗议covid-19
建築工人舉起大拇指
animation of pie graph against aerial view of tall buildings
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兩個穿著個人防護裝置的清潔人員在辦公室內清潔窗戶玻璃的外觀
rear view of a man with black skin in a white special uniform and an orange vest together with a female employee walk through a large waste processing plant and point with his hand to the side
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two construction workers in orange uniform and hardhats shaking hands at the building object
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colleagues inspectors in safety mask and lab coat standing in chemical factory warehouse
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兩個穿著個人防護裝置的清潔人員從辦公室大樓內的玻璃電梯中走出來
an officer sets up a police cordon tape as he wears a protective suit while a building is under lockdown after a large number of residents tested covid-19 coronavirus positive
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close up view of two construction workers in orange uniform and hardhats shaking hands at the building object
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白人研究人员穿着防护服和防护眼镜的人在绿色的田野里敲打玻璃
close up doctor hands cleaning stainless dental equipment
environmental engineers work at wastewater treatment plants
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animation of globe over engineer and wind turbine in countryside
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close up view of two construction workers in orange uniform and hardhats shaking hands at the building object
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穿著個人防護裝備的清潔人員在辦公大樓內清潔窗戶玻璃的正面圖
two contemporary crew workers using vr to visualize projects standing in unfinished building on construction site copy space
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workers installing equipment on a metal structure in winter
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environmental engineers work at wastewater treatment plants
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funny couple in protective suits comes dancing into room
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female doctors couple wearing medical masks characters
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