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Two students work on sweating a joint during a class in AC installation and  repair
Industry Engineers Walking Inside Circular water Pipe. Engineering or Worker inspection pipe circular. Checking Construction of the water, Oil Natural Gas and fuels Transport Pipeline.
Yellow diving helmet with camera and light for special military operations
Construction engineer or technician with reflective coverall suit and safety harness use flashlight to guide for work inside a tunnel.
Fast climb
Newly recruited cadet fire firefighters in training with equipment
Submerged arc welding
One Firemenan wearing heat protection suit  with oxygentank on the back white background  standing action portrait action ready for fire fighting
male engineer workers maintenance automatic robotic arm machine in a factory. worker checking and repairing automatic robot hand machine. technician worker check for repair factory machine.
Dedicated hazmat security team, cloaked in protective suits, urgently escorts a patient lying on a field bed from the scene of a chemical factory incident. Collaborative effort and composure required in high-stakes situations. The urgency of the evacuation is palpable, emphasizing the critical nature of Emergency Services Occupation and the need for immediate assistance.
Full set of scuba diving equipment on metal platform
Group of miners gathered at the coal mine.
Rustenburg, South Africa, May 23, 2011, Underground Platinum Chrome miners drilling holes in rock for blasting. Holes used for dynamite placement
Emergency hazmat rescue  team giving first aid to a patient who suffered a chemical explosion
São Paulo, SP, Brazil, JUN 26, 2022, fiber optic technicians carry out repairs to the underground network on Paulista avenue
Submerged arc welding
Rope access technician working in communication tower
A couple of electrical engineers working in the electrical control room, Main Distribution Board
A female technician is testing equipment in a chemical plant
Special dielectric rubber boots and gloves designed to work with high voltage. High voltage protective insulating shoes and gloves.
Young Offshore engineer communicating by telephone in engine control room.
Industrial worker tuning pipe and mashine
male engineer workers maintenance automatic robotic arm machine in a factory. worker checking and repairing automatic robot hand machine. technician worker check for repair factory machine.
Firefighters preparing and holding a oxygen tank outdoors
Fireman extricating students from a school bus wreck
Close-up shot of a firefighter with helmet and protective gear during a night operation
Puntarenas, Costa Rica - September 09, 2022: Oxygen bottles for divers, on the deck of a ship
Mechanical engineer wearing orange safety suits and safety harnesses work inside the tunnel or  huge sewage drain pipe
A woman working underground in a mine is silhouetted against a well lit tunnel wall.  She wears a hard hat helmet with a miners lamp on it.  Northwest Territories, Canada.
Young offshore professional engineer checking parameters of high voltage switch board. Offshore engineer making high voltage electrical equipment checks.
Free Images: "bestof:Joint UCT Diver Training 150117-N-YD328-029.jpg en Construction Electrician 2nd Class Benjamin Coulson center assigned to Underwater Construction Team One UCT"
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US_Navy_071212-N-0193M-416_Felix_Lankester,_project_manager_for_the_Limbe_Wildlife_Center,_introduces_U.S._Navy_Cmdr._Byron_Smith,_kneeling,_and_British_Navy_Cmdr._Nigel_May,_to_the_center's_residents_while_giving_a_tour.jpg
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Navy Day Sevastopol 2012 G14.jpg
US_Navy_070512-N-4021H-062_Boatswain_Mate_2nd_Class_Gaston_Garcia,_a_member_of_USS_Pearl_Harbor_(LSD_52)_Soccer_Team,_clears_a_ball_away_from_the_net_during_a_tournament.jpg
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U.S._Airmen_Memorial.jpg
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