Kanal
blade working area
bus
cable conduit
cable duct
canal
canalis
channel selecting telecontrol system
channel
conduit-type sewer
conduit
culvert
disturbed channel
disturbing channel
ditch
drain
duct
ductwork
frequency channel
groove
interior navigation canal
lane
level
meatus
navigable canal
opening
pass
passage
pipe
port
prefabricated duct
race
raceway
radio channel
receiver channel
routes of communication
runner
sewer
signal processing channel
station
tortuous path
track
transmission channel
transmitting channel
trick
trunk
trunking
tube
tunnel
valve port
waterway