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plumbing contractor examines boiler
The techs are doing a security check
A young Caucasian male engineer is squatting and looking at his tablet, while performing a system check.
PVC Water Pipe Inspection By Construction Worker
A male worker does electric welding work in a chemical factory
Worker at construction site demolishing asphalt with pneumatic plugger hammer
Galicia, Spain; February 16, 2023: A worker is performing maintenance tasks on a communication cable located on the sidewalk of a city
A female engineer works at the construction site of a chemical plant under construction
Contractor installing and repairing water pumping station. Borehole water pump.
Young construction worker checking heating installations in a new building he is working on. Handsome young engineer in safety gear setting installations on a construction site. Heating engineer working with a digital tablet.
London. UK- 02.27.2024. Engineer workers installing underground smart water supply pipes to upgrade the city's infrastructure.
An Asian female engineer inspects industrial equipment in a chemical plant
The worker of the gas refinery
A male safety officer is checking the safety of the equipment
Tired fatigued engineer worker constructor working in construction site.
Staff training at Taiwan Power Company. Electrical engineers are practicing pulling wires. On December 29, 2022, taken at Xinguang Road Electric Power Company, Hsinchu City, Taiwan
a brigade of servants for road maintenance removes the old asphalt with a jackhammer and shovels into the excavator cart in road construction
An Asian male engineer is checking the equipment in the chemical plant
Construction workers digging up the 45th Avenue and 23th Street in Long Island City in Queens
Bearded young man in work overalls installing heating pipes in apartment. Male worker in safety helmet doing maintenance jobs for water and heating systems. Concept of plumbing and home renovation.
The male Engineer read the drawing and checked the cooling system at the construction site line
Boiler Room - Data View Smile\n\n[url=file_closeup?id=15121789][img]/file_thumbview/15121789/1[/img][/url] [url=file_closeup?id=11052139][img]/file_thumbview/11052139/1[/img][/url] [url=file_closeup?id=17764469][img]/file_thumbview/17764469/1[/img][/url] [url=file_closeup?id=11543119][img]/file_thumbview/11543119/1[/img][/url] [url=file_closeup?id=11000945][img]/file_thumbview/11000945/1[/img][/url] [url=file_closeup?id=18447268][img]/file_thumbview/18447268/1[/img][/url] [url=file_closeup?id=12246842][img]/file_thumbview/12246842/1[/img][/url] [url=file_closeup?id=19120934][img]/file_thumbview/19120934/1[/img][/url] [url=file_closeup?id=15784505][img]/file_thumbview/15784505/1[/img][/url] [url=file_closeup?id=18962325][img]/file_thumbview/18962325/1[/img][/url] [url=file_closeup?id=15121609][img]/file_thumbview/15121609/1[/img][/url] [url=file_closeup?id=17829508][img]/file_thumbview/17829508/1[/img][/url] [url=file_closeup?id=22792487][img]/file_thumbview/22792487/1[/img][/url] [url=file_closeup?id=22509851][img]/file_thumbview/22509851/1[/img][/url] [url=file_closeup?id=19122400][img]/file_thumbview/19122400/1[/img][/url] [url=file_closeup?id=18560433][img]/file_thumbview/18560433/1[/img][/url] [url=file_closeup?id=12817795][img]/file_thumbview/12817795/1[/img][/url] [url=file_closeup?id=12236789][img]/file_thumbview/12236789/1[/img][/url] [url=file_closeup?id=22509735][img]/file_thumbview/22509735/1[/img][/url] [url=file_closeup?id=11070891][img]/file_thumbview/11070891/1[/img][/url] [url=file_closeup?id=15121923][img]/file_thumbview/15121923/1[/img][/url] [url=file_closeup?id=15379037][img]/file_thumbview/15379037/1[/img][/url] [url=file_closeup?id=15773710][img]/file_thumbview/15773710/1[/img][/url] [url=file_closeup?id=15120983][img]/file_thumbview/15120983/1[/img][/url] [url=file_closeup?id=11069894][img]/file_thumbview/11069894/1[/img][/url] [url=file_closeup?id=17829480][img]/file_thumbview/17829480/1[/img][/url]
service worker cleaning blocked sewer line with hydro jetting
Lugo, Spain- November 26, 2021: Two road construction workers wearing reflective clothes, working with wheelbarrow. Lugo city, Galicia, Spain.
Sewer workers cleaning manhole and unblocking sewers the street sidewalk.
welder is connecting two pipes for gas pipeline
sewerage worker on street cleaning pipe
Close up on hands and a drill machine eld by an airport mechanic changing elevated lights next to a runway.
Car air conditioner check service, leak detection, fill refrigerant, Manometer being used to gauge
Construction workers in safety helmets and west digging up the asphalt 5th Avenue close to 55th Street in central Manhattan
Free Images: "bestof:Navy 031013-N-9712C-003 Utilitiesman Constructionman Matthew Glover loads a chalk training round into a M203 grenade launcher attached to an M-16 Assault"
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US_Navy_080123-F-1644L-031_Dummy_hand_grenades_are_used_by_the_Marines_from_the_3rd_Low_Altitude_Air_Defense_Battalion,_for_practice_before_throwing_the_M-67_Fragment_Grenades_at_the_firing_range.jpg
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