英和和英

a {selecting switch}

to turn a switch on or off

release by a toggle switch

a shift key

to switch something on

a master switch

the act of turning something on

squeeze the trigger

steering-gear

to switch something on by mistake

the switchgear for the shutter

reversing-gear

switch a stick

rotary dial

a switch that can be activated by remote control

jam the switchboard

run counter

the lead‐off batter

deflection of the compass

deflection of the compass

a master key

turn a knob

tend bar

the key of D major

disconnect a plug

an escape chute

set the latch

an escape ladder

sparking-plug

the nesting crane