Lesson 1Thermal hazards: welding burns, hot surfaces, sparksDeals with thermal dangers from welding, cutting, and hot surfaces. Talks about how burns happen, heat radiation, sparks, and molten metal, plus protective gear, barriers, safe handling of hot items, and quick response for burn injuries.
Types of burns in metal fabricationHot surfaces, slag, and workpiecesSparks and molten metal projectionsHeat-resistant PPE and clothingScreens, barriers, and safe spacingFirst aid and response for burnsLesson 2Ergonomic and manual handling hazards: lifting, repetitive motions, awkward posturesLooks into ergonomic risks from lifting, carrying, and repeated tasks in fabrication. Covers force, posture, and how often it happens, plus tools to assess, safe handling ways, workstation setup, and use of machines to cut down strain injuries.
Risk factors in lifting and carrying tasksRepetitive motion and overuse injuriesAwkward postures at benches and weld jigsManual handling of plate, bar, and tubingUse of carts, hoists, and lift assistsJob rotation and ergonomic trainingLesson 3Slip, trip and fall hazards: wet floors, housekeeping, walkwaysCovers slip, trip, and fall dangers in fabrication spots, including wet floors, mess, wires, and uneven ground. Explains risk factors, checking practices, floor care, guarding openings, and safe use of ladders and platforms.
Common slip and trip causes in shopsFloor drainage, coatings, and mattingTool, scrap, and hose housekeepingSafe walkways, aisles, and markingsLadder and step platform safe useInspections and corrective actionsLesson 4Noise and vibration hazards: sources, exposure effects, measurement basicsLooks at noise and vibration sources like grinders, presses, and hitting tools. Covers exposure limits, hearing damage, basic measuring, vibration-related problems, and controls like engineering fixes and ear protection.
Major shop noise and vibration sourcesHearing loss mechanisms and symptomsExposure limits and basic measurementsHand-arm and whole-body vibration risksEngineering and administrative controlsHearing protection selection and fitLesson 5Common physical hazards: cuts, machine entanglement, struck-by, pinch pointsReviews common physical dangers including sharp edges, spinning parts, pinch spots, and hit-by risks. Explains guarding, lockout, safe tool use, material handling, and checking practices to stop cuts, crush injuries, and hits.
Sharp edges, burrs, and cut preventionRotating parts and entanglement risksPinch points on presses and brakesStruck-by and dropped object hazardsMachine guards and interlock devicesLockout and safe tool handlingLesson 6Fire and explosion hazards: flammable materials, hot work ignition sourcesDetails fire and explosion risks from welding, cutting, and flammable items. Reviews fire basics, ignition sources, hot work permits, storage of gases and liquids, and controls like isolation, ventilation, and fire gear.
Fire triangle and explosion basicsHot work ignition sources and controlsFlammable liquids and gas storage rulesHousekeeping to reduce combustible loadHot work permits and area preparationFire detection, alarms, and extinguishersLesson 7Respiratory and eye hazards: dust, aerosols, chemical splashes, UV from weldingFocuses on breathing and eye dangers from dust, fumes, sprays, and UV light. Covers exposure effects, ventilation, mask choice and fit, eye and face protection, and safe ways for welding, grinding, and spraying.
Dust, fumes, and aerosol health effectsLocal exhaust and general ventilationRespirator types, fit testing, and careSafety glasses, goggles, and face shieldsUV and IR hazards from welding arcsSafe practices for grinding and sprayingLesson 8Chemical hazards: paint solvents, welding fumes, cleaning agentsExamines chemical dangers from solvents, paints, welding fumes, and cleaners. Addresses exposure paths, short and long-term effects, SDS use, labeling, ventilation, PPE choice, and safe storage, mixing, and disposal in fabrication.
Key chemical types used in fabricationExposure routes and health effectsSafety Data Sheets and labelingVentilation for fumes and vaporsChemical-resistant PPE selectionStorage, mixing, and waste handling
