Safety Topic · 320 articles
TL;DR 3 mg/m³ hardwood, 5 mg/m³ softwood — the UK workplace exposure limits over an 8-hour average; for mixtures, the hardwood 3 mg/m³ limit applies to all wood dust present (HSE, EH40/2005). 2 mg/m³ — the EU binding limit for…
TL;DR Around 2,800 amputations a year come from table-saw blade contact in the US alone, out of roughly 26,500 emergency-room injuries in 2017 there were an estimated 26,500 table saw blade-contact injuries treated in emergency departments, including about 2,800 amputations…
TL;DR Treat firing as a hazard step, not just a shaping step — kiln heat converts quartz in clay bodies into cristobalite, a more damaging form of crystalline silica. Control dust at the dry moments — weighing, mixing, glaze handling,…
TL;DR — The numbers that frame the risk Engineered nanomaterials measure 1–100 nanometres — small enough that the same substance can behave very differently than its bulk form (NIOSH, 2009). NIOSH recommends carbon nanotube and nanofibre exposure stay below 1.0…
TL;DR If your laser is Class 1 or 1M → no area warning sign is normally required, though the manufacturer's product labels still apply. If your laser is Class 2, 2M, or 3R → post a CAUTION sign where exposure…
TL;DR Match the glove, don't just wear one: glass handling usually calls for mid-to-high cut protection — around ANSI A4–A5, or an equivalent EN 388 level — with a grip coating. Protect against fragments, not dust alone: side-shielded safety glasses…
TL;DR The clamp is the killer. Closing mould halves can amputate a hand in a single cycle; the operator's gate and its interlocks are the primary defence, not PPE. Interlocks are not isolation. Every serious maintenance injury traces back to…
Neither sitting nor standing is healthy in excess. Prolonged sitting raises the risk of heart disease, type 2 diabetes and back pain, while prolonged standing drives leg fatigue, varicose veins and other circulatory problems. For standing vs sitting at work,…
TL;DR Water main repair safety starts before the dig. Confirm every buried service through a utility locate; plans alone are never enough. Shore or slope every entry. US rules require a protective system at five feet, but disturbed soil around…
TL;DR Segregate at the point of use. Correct classification at the moment waste is created sets its cost, carbon footprint and safety — nothing downstream fixes a mis-sorted bin. Match each waste type to its stream. Infectious, sharps, pharmaceutical, cytotoxic,…
TL;DR — the numbers that anchor every decision: ≤25 Ω — the NEC value for a single made electrode, and the most misread figure in the field. It is not a universal system target (NFPA 70, 2023 edition, US). 1–5…
TL;DR Define what counts as a change. Any alteration to equipment, chemicals, technology, procedures, or staffing — but not a genuine replacement in kind. Anchor it in the right rule. OSHA PSM and EPA RMP mandate written change control; ISO…
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