Lesson 1Noise, vibration, and ergonomic hazards for operators and finishersDiscusses noise, vibration, and ergonomic risks for operators and finishers in Eritrea, including exposure mapping, tool choices, workstation design, and spotting early signs of hearing and muscle strain.
Noise source identification and mappingHand-arm and whole-body vibration risksPosture, reach, and force task analysisTool selection, grips, and anti-vibration aidsEarly symptom reporting and trend trackingLesson 2Electrical hazards: high-voltage CNC, robot drives, weld transformers, and arc flashCovers electrical risks from high-voltage CNC, robot drives, weld transformers, and arc flash in local settings, focusing on boundaries, labels, fault cases, and working with electric experts for risk checks.
Equipment voltage classes and shock boundariesArc flash incident energy and labelingEnclosure integrity and interlock verificationGrounding, bonding, and return path hazardsCoordination with qualified electrical workersLesson 3Suspended loads and dropped-object hazards from overhead crane operationsAnalyzes risks of hanging loads and falling objects from cranes in Eritrea, including rigging choices, paths, exclusion zones, and spotting failure points and human factors raising risks.
Load path mapping and exclusion zonesRigging hardware selection and inspectionHook, latch, and sling attachment hazardsOperator visibility and communication limitsPre-use crane and hoist condition checksLesson 4Slip, trip, and fall hazards from workspace layout, parts, and cablingTackles slip, trip, and fall risks from layouts, part staging, and cables in workshops, emphasizing traffic flow, cleaning, floor states, and ways to spot, record, and fix layout issues.
Walkway and aisle obstruction surveysFloor surface condition and drainage checksCable routing, guarding, and hose managementWork-in-process and parts staging practicesInspection checklists and near-miss reportsLesson 5Human-machine interface hazards: control confusion, teach pendant misuse, and inadequate signageFocuses on interface risks like control mix-ups, pendant misuse, and poor signs in Eritrean automation, stressing task analysis, labeling, and watching operator interactions with machines.
Control layout, labeling, and color codingMode selection, interlocks, and overridesTeach pendant use and misuse scenariosSignage, indicators, and alarm effectivenessUser feedback and behavioral observationsLesson 6Exposure hazards to cleaning chemicals and confined-space or lockout situations during maintenanceLooks at chemical exposure and maintenance risks in confined spaces or lockouts in Eritrea, covering chemical IDs, entry rules, isolation, and checking energy control success.
Chemical inventory and SDS hazard reviewVapor, mist, and skin contact evaluationsConfined-space entry condition assessmentEnergy isolation point identificationVerification of lockout and zero energyLesson 7Thermal, radiant, and fire hazards from CNC plasma cutting and hot workExplores heat, light, and fire risks from plasma cutting and hot tasks in local shops, including ignition sources, heat zones, fuel loads, and assessing exposure, separating areas, and noting controls.
Heat and radiant energy exposure assessmentCombustible materials and fire load mappingHot work permits and area isolationTorch, nozzle, and consumable failure modesFire watch duties and post-work monitoringLesson 8Fume and gas hazards from welding processes and ventilation considerationsDetails fume and gas risks from welding and poor ventilation in Eritrea, addressing generation rates, gas buildup, air flows, and documenting hot spots and control needs.
Process-specific fume generation profilesShielding gases and asphyxiation risksLocal exhaust and hood capture checksGeneral ventilation and airflow mappingAir monitoring and exposure documentationLesson 9Projectile and splash hazards from grinding, cutting slag, and plasma slag ejectionReviews flying and splashing risks from grinding, slag, and plasma ejections in workshops, focusing on wheel breaks, projections, and zones needing guards or rules.
Grinding wheel selection and defect checksWorkpiece clamping and restraint hazardsSpark, slag, and debris trajectory mappingGuarding, screens, and barrier placementFace, eye, and body protection needsLesson 10Mechanical hazards from moving robot arms, rotating positioners, and pinch pointsExamines mechanical risks from robot arms, turners, and pinches in Eritrean lines, emphasizing reach checks, guard tests, and tasks putting workers in danger zones.
Reach envelopes and motion range studiesPinch, shear, and crush point surveysGuarding, fencing, and light curtain checksSafe speed, hold-to-run, and jog controlsMaintenance and teaching task exposures
