Machine Shop Fundamentals (SAIT Open Textbook)
by Southern Alberta Institute of Technology · Open Education Alberta
Open textbook from a Canadian polytechnic opening with general shop safety, then dedicated lathe and mill safety chapters covering entanglement, chuck wrench discipline, PPE, emergency stops, and interactive images for spotting hazards in a shop photograph.
More resources on Metalworking Safety
Practical Machinist Safety Forum
Community discussions and tips on metalworking safety from experienced machinists.
OSHA 10-Hour General Industry - Electrical Safety
OSHA's Outreach Training Program page for the 10-hour general industry course, whose electrical module covers shock, arc flash, lockout/tagout and safe work practices. Classes run by authorized trainers; completion earns a DOL card.
HSE Metalworking Fluids Guidance
Britain's Health and Safety Executive hub on cutting and coolant fluids: bacterial and chemical contamination, sump cleaning procedures, mist control, occupational asthma and dermatitis surveillance, legionella risk, and the regulator's own inspection and enforcement programme. Cutting fluid is the most under-appreciated chronic hazard in a machine shop, and this is the most complete practitioner-usable treatment anywhere: why fluid degrades, how to test and clean sumps, how mist causes occupational asthma, and what health surveillance is required.
AWS Safety and Health Fact Sheets (and free ANSI Z49.1:2021)
American Welding Society's free library of 46 safety fact sheets covering fume and gas exposure, arc radiation, electric shock, fire prevention, confined spaces, and ventilation, plus the full ANSI Z49.1:2021 welding safety standard at no cost.
Safeguarding Equipment and Protecting Employees from Amputations (OSHA 3170)
OSHA guidance document walking through hazard analysis, then primary and secondary safeguarding methods, safe work procedures, and lockout/tagout, followed by machine-specific chapters on press brakes, shearing machines, drill presses, milling machines, and grinders.