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Flammamble Gas Warning Sign
Compressed hydrogen storage tanks
Warning sign on the entrance to a work site at Manly Wharf in the northern beaches of Sydney. This image was taken on a sunny afternoon in summer.
Danger, deep excavation sign on a black wall.
exclamation sign isolated on white
High-voltage transformer substation behind barbed-wire chain-link fence with Danger High Voltage sign.
Close-up of yellow electricity warning sign at white door.
Main Switch Electrical Device Machine Power Supply
Knife switch and high voltage hazard sign on the wooden wall of house. Yellow electrical warning danger triangle symbol and metal security fence box. Closed lock electric panel transformer substation
Warning sign electric 400 volts
A sign warning people about trip hazards
Road works sign in Paris
Closeup view of street caution exclamation sign on yellow metallic board
Paris, France: Old-Fashioned Blue Door With Sign: Under Video Surveillance
Sign with electricity warning life-threatening at Bleiswijk high voltage station of Tennet in the Netherlands.
old electrical panel in an abandoned factory
Lock Out Tag Out
Close-up of a gray metal electric shield hanging on a pole. A warning sign. Red fence in the background
Electrical control panel of industrial machine close up. Selective focus.
High-voltage power equipment behind a fence and warning sign.
Yellow warning sign with triangle saying uneven surface
Comprehensive warning sign hanging on a mesh fence outside a construction site.
workplace safety and operational safety, prevention of danger at the workplace
This is for your safety
UK yellow warning sign Caution SF6 attached to an electrical transformer. SF6 gas or Sulfur hexafluoride gas is used as an insulating gas to prevent electrical discharges
Work in Progress Sign at Florence in Tuscany, Italy
Image of a Danger sign for a construction zone. It is mounted on a dark piece of plywood and instructs unauthorized personnel to keep out.
Danger, construction site sign on a black wall.
A Danger, High Voltage safety sign in bold lettering.
Metal E4 sign showing the walking path In Crete.
Free Images: "bestof:DENY.jpg Modified picture of a warning sign Derivative of Image Electricity substation danger jpg by Rd232 original 12 July 2005 derivative 23 October 2006"
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