KEY FACTORS
MATERIALS
ZINCALUM
COPPER
ALUMINIUM
BRASS
ZINC GALVANISED
TIN PLATE
STAINLESS STEEL
LEAD
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PLASTIC
SKILLS
TURNING
FILING
MARKING UP
SOLDERING
CUTTING
WIRING
FOLDING
DRILLING
WELDING
BATTERY
PEDISTAL
FASTENERS
SOLDERING
CIRCLIPS
ADHESIVES
RIVETS
NUT AND BOLT
WELDING
POP
SOLID
MIG
TIG
GAS
TAC
SPOT
ARC
COMPONENTS
VENT
FAN
AMMETRE
SWITCH
CABLES
VOLTMETRE
CLIPS
PIPING
PLUG
HANDLE
FUSE
FEET
TRANSFORMER
CASING
RECTIFIER