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Builder → lower back pain Construction worker → lumbar strain Labourer → musculoskeletal pain Bricklayer → knee osteoarthritis Carpenter → shoulder tendinitis Electrician → neck strain Plumber → herniated disc Painter → rotator cuff injury Roofer → fractures (fall injury) Mechanic → hand/wrist arthritis Factory worker → repetitive strain injury (RSI) Warehouse worker → lifting injury (back/shoulder) Forklift driver → sciatica / lower back pain Truck driver → chronic low back pain Delivery driver