... in this field. Aluminum-copper alloy explosion-proof tools and explosion-proof equipment for atmospheric conditions, with ... , adjustable wrenches, striking tools, pliers, pipe cutters, wedges, punches, chisels, wrecking bars, pinch-bars, screwdrivers, shovels, chain Hoist, etc ... . 4.The tools can efficiently avoid rising spark when tools strike, rub or ...