Fire Extinguisher on the wall as a fire prevention measure in a building in Bangkok, Thailand

fire extinguisher extinguish nozzle hose shadow building firefighting canister spray pressurerize gas combustion oxygen pipe installation sprayer flammable tank red arson fumes suppressive flames hydrant dock ventilate fire hose ventilation cylinder indicator gauge handle valve safety pin data plate lever sodium bicarbonate aluminum sulfate syphon tube pressure water powder foam carbon dioxide wet chemical bangkok thailand southeast asia fire prevention measure