(ав.) ламка огорожа
sit on the fence / be on the fence (in the Ukraine war)
knock-down power
break-down fence
tie down / tie-down
cargo tie-down / freight tie-down
freight tie-down / cargo tie-down
knock a tank
audible knock
big-end knock
borderline knock curve
engine knock / knocking
high-knock rating gasoline
knock detection by ear
knock indicator
knock off balance
knock tendency
knock test of gasoline
knock-free operation
knock-meter
knock characteristic (of gasoline)
knock-free fuel
knock out of action
knock out of the war
barbed wire fence
clear a fence
double apron fence
double concertina fence
double-apron fence
electric fence
fence wire
Lapland fence
single concertina fence