Lesson 1Vehicle and mobile plant hazards: forklifts and overhead cranesThis part breaks down hazards from forklifts, overhead cranes, and other mobile equipment, stressing traffic control, operator skills, signals, load tying, and shared area guidelines to stop crashes, crushing injuries, and falling loads.
Traffic flow planning and exclusion zonesForklift stability, loads, and blind spotsOverhead crane pre-use checks and slingingPedestrian routes, crossings, and spottersParking, battery charging, and refueling areasLesson 2Chemical hazards: solvents, paint fumes, welding gases, metal dustThis part covers chemical dangers from solvents, paints, welding smoke, and metal dust, looking at exposure paths, health impacts, checks, and layered protections like swapping, airflow, safe keeping, and right PPE choice and use.
Solvent and paint components and exposure routesHealth effects of welding fumes and shielding gasesMetal dust generation, inhalation, and ingestion risksEngineering controls and local exhaust ventilationSafe storage, labeling, and PPE for chemicalsLesson 3Noise and vibration sources and effects in workshopsThis part talks about noise and vibration causes in workshops, their health effects, exposure checks, and control ways, including engineering fixes, upkeep, work limits, and proper choice and use of ear protection gear.
Main workshop noise and vibration sourcesHearing loss, fatigue, and other health impactsNoise surveys, dosimetry, and exposure limitsEngineering and administrative noise controlsHearing protection selection, fit, and careLesson 4Ergonomic hazards and manual handling during assembly and material storageThis part checks ergonomic and manual lifting risks in assembly and material keeping, covering lifting, pushing, odd postures, and repeat tasks, and shows ways for redesign, mechanical help, and training to avoid muscle and bone injuries.
Task analysis for lifting and carrying activitiesUse of hoists, jacks, and mechanical handling aidsLayout design to reduce bending and reachingSafe storage heights and rack organizationTraining on body mechanics and team liftingLesson 5Electrical hazards: fixed machines, portable tools, temporary wiringThis part handles electrical dangers from fixed machines, hand tools, and temp wiring, stressing shock, arc flash, and fire risks, lockout steps, check routines, earthing, and working with skilled electricians for setup and fixes.
Electrical shock, arc flash, and burn mechanismsInspection of cords, plugs, and portable toolsLockout tagout for maintenance and cleaningSafe use of temporary power and extension leadsGrounding, bonding, and residual current devicesLesson 6Thermal and fire hazards: hot work, sparks, flammable liquids and vaporsThis part deals with heat and fire dangers from hot jobs, sparks, and flammable liquids or gases, listing ignition causes, fuel checks, hot work passes, fire watch roles, cleanup, and emergency plans for workshop work.
Ignition sources in cutting, welding, and grindingControl of flammable liquids, gases, and vaporsHot work permits and pre-job area checksFire watch roles, equipment, and responseHousekeeping and segregation to limit fire spreadLesson 7Common physical hazards: sharp edges, moving parts, pinch points, falling objectsThis part reviews usual physical dangers like sharp edges, moving parts, pinch spots, and falling items, explaining common accident cases and simple controls such as guards, barriers, signs, and safe handling and stacking of materials.
Sharp edges, burrs, and sheet metal handlingMachine guarding and access to moving partsPinch points in presses, rollers, and clampsControls for falling objects and dropped toolsSignage, barriers, and safe walkwaysLesson 8Workforce factors: shift work, mixed experience levels, contractors and temporary staffThis part explores how worker makeup and setup affect risk, covering shift tiredness, varied skills, language issues, and fitting contractors and temp staff into site rules, oversight, and safety ways in Eritrean workshops.
Shift patterns, fatigue, and error likelihoodManaging mixed skill and experience levelsOnboarding and supervision of contractorsTemporary staff induction and task assignmentCommunication, language, and safety cultureLesson 9Overview of metal fabrication processes: cutting, grinding, welding, painting, assemblyThis part outlines key metal fabrication steps and their risk patterns, showing how cutting, grinding, welding, painting, and assembly link, where dangers start, and how planning, setup, and standard steps cut accidents and redo work.
Typical workflow from raw stock to finished productCutting and grinding methods and related hazardsWelding and thermal cutting process risk overviewPainting, coating, and curing process safetySafe assembly, fit-up, and in-process inspections
