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Instructions on site safety fastened to the fence of a coastal construction site.
Pirate Spyglass with forbidden symbol, 3D rendering isolated on white background
Compressed hydrogen storage tanks
gas process valve isolation lock out tag out,Lock closed,Lock open.
Electrical substation at a hydroelectric power station.
Red and white, Evacuation assembly area sign hanging on a chain linked fence outside of a power plant switch yard.  Emergency evacuation.
Red sign on a wooden fence.
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Close up of sign for warning this gun fires with a very loud report at 9:00 pm daily
An oilfield liquid waste holding tank.
EX - sign for Explosive Atmosphere in gas station.
Three hands pulling an emergency signal brake in a tree
close up on warning sign on leaking blue barrel with toxic waste
a red warning board with the words \
Danger, high voltage, keep out sign on a green metal door.
OSD or ESD (operation or emergency shut down) button switch of refinery processing plant and crude oil transfer pipeline. Industrial equipment object.
Heavy-duty, main breaker electrical lockout in an industrial application.
Signage warns visitors of the use of explosives as oil well engineers seal and abandon an 850m deep oil well. Explosives were used down hole to cut steel casing.
DANGER-SINK HOLE
DANGER KEEP OUT sign on a security fence
A typical stainless steel valve use in industrial applications. Locked and tagged for safety.
Hazard sign
Red metal box with \
Safety harness PPE requirement caution sign wihch is installed on the working platform's ladder, it using to prevent falling accident. Safety symbol for industral working, selective focus.
A warning sign saying \
Danger keep out sign on a high voltage pylon
Warning sign dangerous flammable gas,
Radiation warning sign on the nameplate the mechanical container of factory process instrument, Ionizing radiation hazard symbol as background
A dry riser is a normally empty pipe that can be externally connected by firefighters to a pressurised water source
Free Images: "bestof:OSHA Blowout preventer.jpg en A w blowout preventer http //www osha gov/SLTC/etools/oilandgas/drilling/wellcontrol html OSHA OSHA 2010-04-09 PD-USGov Blowout"
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