英文關鍵字
adult
cable
coaxial
composite
conductor
copper
craft
cut
cutting
digital
earth
electrician
expertise
ground
hand
handyman
holding
insulation
job
maintenance
male
man
manual
mid
occupation
overalls
part
person
pliers
prepare
profession
professional
protection
repair
repairman
safety
service
sidecutters
standing
technician
tool
twist
uniform
unnecessary
wearing
wire
work
worker
working
workman