英文關鍵字
black
box
cable
communication
communicative
control
distribution
drill
electrical
entrance
entry
entryphone
equipment
flat
groove
hand
hollow
home
input
inter
intercom
interline
interphone
line
make
male
man
mount
opening
parget
phone
pick
plaster
plastering
recess
ring
rut
safety
security
signal
system
technician
technology
telecommunication
track
trench
use
wall
wire
worker