... in this field. Aluminum-copper alloy explosion-proof tools and explosion-proof equipment for atmospheric conditions, with less ... , punches, chisels, wrecking bars, pinch-bars, screwdrivers, shovels, chain Hoist, etc. 4.The tools can efficiently avoid rising spark ... target in explosive atmosphere or flammable vapors such as oil and gas works, petrol-chemical plants, explosive manufactories, mines, ...