My stove burner wont shut off??? Gas must stay on for canning business!?

a blokes gotta eat, how you supposed to get work done without it.. leave her youll probly get high as **** though that cant be good for buisness. a fire extinguisher will save you if theres a spark to set ot off. if you have one stick cloes by it its your safety 100% theyre explosionproof