How to Work Under a Car Safely: Jack Stands, the Shake Test, and Under-Car PPE | WC Safety
A car that slips off a jack does not injure the person under it - it kills them, and NIOSH fatality investigations repeat the same story every year. This guide covers the support rule (the jack lifts, the stands hold), surfaces and wheel chocks, the shake test, under-car PPE from goggles to bump cap, and a full setup workflow.
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