Lesson 1Thermal hazards: welding burns, hot surfaces, sparksAddress thermal hazards from welding, cutting, an hot surfaces. Discuss burn mechanisms, radiant heat, sparks, an molten metal, plus PPE, barriers, safe handling of hot workpieces, an emergency response for burn injuries.
Types of burns in metal fabricationHot surfaces, slag, an workpiecesSparks an molten metal projectionsHeat-resistant PPE an clothingScreens, barriers, an safe spacingFirst aid an response for burnsLesson 2Ergonomic an manual handling hazards: lifting, repetitive motions, awkward posturesExplore ergonomic risks from lifting, carrying, an repetitive tasks in fabrication. Cover force, posture, an frequency, plus assessment tools, safe handling methods, workstation design, an use of mechanical aids to reduce strain injuries.
Risk factors in lifting an carrying tasksRepetitive motion an overuse injuriesAwkward postures at benches an weld jigsManual handling of plate, bar, an tubingUse of carts, hoists, an lift assistsJob rotation an ergonomic trainingLesson 3Slip, trip an fall hazards: wet floors, housekeeping, walkwaysCover slip, trip, an fall hazards in fabrication areas, including wet floors, clutter, cords, an uneven surfaces. Explain risk factors, inspection practices, floor maintenance, guarding of openings, an safe use of ladders an platforms.
Common slip an trip causes in shopsFloor drainage, coatings, an mattingTool, scrap, an hose housekeepingSafe walkways, aisles, an markingsLadder an step platform safe useInspections an corrective actionsLesson 4Noise an vibration hazards: sources, exposure effects, measurement basicsExplore noise an vibration sources such as grinders, presses, an impact tools. Cover exposure limits, hearing damage, measurement basics, vibration-related disorders, an controls including engineering changes an hearing protection.
Major shop noise an vibration sourcesHearing loss mechanisms an symptomsExposure limits an basic measurementsHand-arm an whole-body vibration risksEngineering an administrative controlsHearing protection selection an fitLesson 5Common physical hazards: cuts, machine entanglement, struck-by, pinch pointsReview common physical hazards including sharp edges, rotating parts, pinch points, an struck-by risks. Explain guarding, lockout, safe tool use, material handling, an inspection practices to prevent cuts, crush injuries, an impacts.
Sharp edges, burrs, an cut preventionRotating parts an entanglement risksPinch points on presses an brakesStruck-by an dropped object hazardsMachine guards an interlock devicesLockout an safe tool handlingLesson 6Fire an explosion hazards: flammable materials, hot work ignition sourcesDetail fire an explosion risks from welding, cutting, an flammable products. Review fire triangle, ignition sources, hot work permits, storage of gases an liquids, an controls such as isolation, ventilation, an fire protection equipment.
Fire triangle an explosion basicsHot work ignition sources an controlsFlammable liquids an gas storage rulesHousekeeping to reduce combustible loadHot work permits an area preparationFire detection, alarms, an extinguishersLesson 7Respiratory an eye hazards: dust, aerosols, chemical splashes, UV from weldingFocus on respiratory an eye hazards from dust, fumes, aerosols, an UV radiation. Cover exposure effects, ventilation, respirator selection an fit, eye an face protection, an safe practices for welding, grinding, an spraying.
Dust, fumes, an aerosol health effectsLocal exhaust an general ventilationRespirator types, fit testing, an careSafety glasses, goggles, an face shieldsUV an IR hazards from welding arcsSafe practices for grinding an sprayingLesson 8Chemical hazards: paint solvents, welding fumes, cleaning agentsExamine chemical hazards from solvents, paints, welding fumes, an cleaners. Address exposure routes, acute an chronic effects, SDS use, labeling, ventilation, PPE selection, an safe storage, mixing, an disposal practices in fabrication.
Key chemical types used in fabricationExposure routes an health effectsSafety Data Sheets an labelingVentilation for fumes an vaporsChemical-resistant PPE selectionStorage, mixing, an waste handling
