Grinding or glazing of metals

Industries / examples: Metal grinding, polishing, buffing and glazing operations.

Principal hazards & agents

Metallic dust and fines (including toxic metals - Ni, Cr, Co)
Abrasive-wheel (silica/silicon-carbide) dust
Hand-arm vibration
Noise; sparks and fire (combustible metal dusts)

Health effects

Pneumoconiosis and metal-specific toxicity, hard-metal/cobalt lung disease, hand-arm vibration syndrome, hearing loss, eye injury, dust-explosion risk.

Engineering controls

LEV integrated with grinding/buffing machines, wet grinding where feasible; abrasive-wheel guarding; dust collection designed to avoid combustible-dust accumulation; vibration-reduced tooling; noise control.

PPE

FFP2/FFP3 dust respirators
Anti-vibration gloves
Impact goggles/face shields
Hearing protection
Safety footwear

Statutory vs annotation: only the entry name and its sub-items are First-Schedule text. The hazard, health-effect, control and PPE notes are occupational-hygiene context, not statutory text. First Schedule, the Factories Act, 1948 [See section 2(cb)] — "List of Industries involving hazardous processes" (29 entries). Section 2(cb) defines "hazardous process". Verbatim list confirmed against the official Factory Inspectorate (Government of Puducherry, Labour Department) publication of the Factories Act, 1948 (py.gov.in/sites/default/files/labourfactory.pdf) and cross-checked with the bare-act text at AdvocateKhoj (advocatekhoj.com/library/bareacts/factories/schedule1.php). The Schedule may be amended/added to by the State Government under section 2(cb) read with section 41A.

Reference information for occupational-health professionals — not medical advice, and not a substitute for examination by a qualified physician.

Other hazardous processes

All 29 hazardous processes — First Schedule

MedFactory — Occupational Health Centre software for Indian factories