Manufacturing and sales of firefighting clothing, fire proximity suits, fire ladders; safety ropes, belts, air cushions; self-contained breathing apparatus; rescue tools; communication rescue ropes; smoke exhaust fans; chemical protective suits; fire helmets, gloves, firefighting boots, oxygen respirators, rescue lighting lines (operations requiring a license shall be conducted with a license); sales of fire vehicles, decontamination, plugging, rescue and protective equipment; non-sparking tools, lighting fixtures, detection instruments, air bags, hoses, hose couplings; fire pumps, monitors, fire robots; communication equipment reel machines; medical equipment; forest firefighting equipment, sports equipment sales; fire engineering design and construction.