прицільний диск
clutch disk facing
clutch disk hub
cushion disk
disk filter
disk-braked train
valve disk
heavy-duty multiple disk steering clutch
hub disk
hydraulic disk brake
disk-type brake
turbine disk damage
propeller disk area
identification disk
disk grind
perforated disk gunpowder
integrated engagement-sighting system
radar sighting
sighting device
sighting equipment
sighting instrument
intersection, direct sighting
trunnion tilt sighting device
adjusted line of sighting
bore-sighting telescope
dial-sight sighting head
horizontal sighting string
sighting rod
sighting compass
night sighting (device)
sighting and laying equipment
sighting angle
sighting line