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electrician builder engineer inspector checking data of equipment in fuse box
female firefighter at the station
Russian ship of the Black Sea Navy in the port of Sevastopol. A ship on guard of peace. Republic of Crimea, October 4, 2010
Senior Caucasian firefighter driving a firetruck and talking on the radio.
The man is installing the heater system in the house
Firefighter with work helmet looking at camera
Portrait of a firefighter standing in front of the fire truck, dressed in their uniform and having his arms crossed, looking at the camera
Electrical engineer tests the operation of the electric control cabinet on a regular basis for maintenance.
Chilean Sea
russian submarine with torpedo on shore
Vila Nova de Gaia seen from the Dom Luis II bridge with the boats on the bank of the Douro river
professional blue coffee machine without a roof with internal spare parts. repair of professional coffee equipment
Electrical control panel with electronic devices in modern electrical substation closeup
Mechanic doing car diagnostic in auto repair shop
Electrical engineers test electrical installations and wiring on protective relays, measuring them with a multimeter.
Cotton after the raw material was in the cotton mixing machine. The image shows as close-up how cotton is prepared for further working steps.
View from ships bow to stern of crude oil tanker.
A shipyard in the Hamburg harbor seen from a boat with amazing sky as a background.
A portrait of female chief engineer in modern industrial factory using tablet.
The underside of a rotary lawnmower.  The blade is dull and has been removed the slackened nut is on the ground with the motor drive shaft connector visible.
Young strong mechanic carrying dismalted computer
Military figher airplane landing on an airport runway.
The control room computer room equipment
Human hand using strength training equipment
COPENHAGEN, DENMARK - MARCH 2019: View of the museum. Battle ship at the Military open air museum, on Nyholm island in Copenhagen. Danish Navy.
English Electric Canberra, first generation British cold war twin jet engine military bomber and  long-range, photo-reconnaissance aircraft in flight over Poole bay, English Channel in blue clear sky
Detail of a hydraulic valve and hoses from a heavy construction machine.
A construction worker works on a building remodel.
electrician repair electric of elevator them check safety line.
Sunlight on the hull of a ship at sunset in the Black Sea
Free Images: "bestof:Navy 110219-N-2953W-164 Hull Maintenance Technician Fireman Apprentice Amanda Mathis relays a message from Damage Control Central during a gener.jpg en ARABIAN"
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