英文關鍵字
accuracy
assembling
board
bundle
cable
communication
distribution
electrical
entrance
entry
entryphone
equipment
fix
hand
home
inner
input
install
installation
insulation
intercom
interphone
male
man
mount
pair
phone
pliers
prepare
ring
safety
secure
security
signal
specialist
strip
system
technician
technology
telecommunication
terminal
tool
tp
twisted
untwist
urban
wire
worker