Wait until after an accident, and “I wish I’d known” doesn’t help anymore. Here’s a real story. A printing shop in our city used to store ink thinner in plain steel lockers at the corner of their workshop. Come summer, the temperature climbed, volatile vapors built up inside, and when a worker opened the door — static spark, ignition. Nobody got hurt, but half the workshop was blackened and production stopped for two months straight. When the owner came to us afterward, he said something that stuck with me: “I spent ten times more fixing the workshop than a few hundred bucks on a proper safety cabinet.” Choosing an explosion-proof cabinet is one of those things nobody thinks about until it’s too late. Walk into any factory, lab, or chemical plant and you’ll see cabinets that all look the same — yellow, blue, red — with prices ranging from fifty to five hundred dollars. What’s the actual difference? Here’s the straight talk. Step 1: Know what you’re storing — color matters more than you think Cabinet colors follow an international classification system (NFPA 30 / OSHA 1910.106). This isn’t a design choice. Yellow = Flammable Liquids Alcohol, thinner, acetone, gasoline, isopropyl…