 Second, no smoking except within an enclosed vehicle, trailer or building, a developed recreation site or while stopped in an area that is paved or free from dry vegetation. Third, no discharging or using any fireworks, tracer ammunition or other pyrotechnic devices, including exploding targets. Fourth, no cutting, welding or grinding metal in areas of dry vegetation. And fifth, no operating a motorcycle chainsaw, ATV or other small internal combustion engine without an approved and working spark arrestor.