гайки для яхтового гвинта (стосується дронів)
prop nuts
track adjusting wheel nuts
prop pitch actuator
prop-fan engine
prop wash
prop up war
propeller (prop)
prop guard
prop wrench
propwash/ prop wash
smoothness (of a drone's prop or motor)
assault boat/craft
boat (bt)
boat deck
boat hook
bridge-erection boat
ferry boat
flying boat
high-speed boat
liberty boat
missile boat
ocean-going tug (boat)
open boat
patrol boat (craft / ship / vessel)
pneumatic assault boat
storm boat
torpedo boat
tow-boat
light utility boat
plane rearming boat
boat diagram
boat rations