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Metal forming steel beams at the metal products warehouse, H-beam steel and Wi-Frank steel. For large structures or building columns, focus only on the raw materials used in building construction.
Food safety emblem - scientific discipline that prevent food-borne illness. Cooperation of handling, preparation, and storage of food. Shield with hands, plate and spoon
rusty metal iron board covering water drainage background. Old diamond metal texture. close-up view of a blue-painted metal diamond plate (also known as checker plate or tread plate).
Security officers hold clipboards and inspect the storage of dangerous goods hazard substance in the warehouse for operator safety such as explosions, radioactive, toxic gases, etc.
A team of male engineers is about to install solar panels. at the solar power station Engineer team ordered and installed solar cells.

Free stock photossafety plate (89)