catch-up speed

catch-as-catch-can warfare

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

Nr gauge (Nr = speed of rotation) / rotor speed sensor

Motor PWM speed separated from PID speed

bolt catch

catch (latch)

magazine catch button

catch-up

rammer catch lever

arrester catch

barrel catch

barrel-catch screw

barrel-nut catch

blocklatch catch

breech mechanism lever retaining catch

carrier catch

catch handle rod

catch spring

catch up with the advance

clip catch

hold-open catch

floor-plate catch spring

free drop catch

catch

catch an attack

catch the white

safety catch

grip safety catch

catch fire

catch it hot