photoswitch
switchability
baroswitch
autotransformation
time switch
rotary switch
timer
four-way switch
toggle switch
variac
disconnect
toggle
underturnkey
button
intermediate switch
push
cut-out
click
time-switch
push button
split switch
three-point switch
switchport
three-way switch
subswitch
voltage regulator
push-button
switchover
petcock
switchboarding
adaptive control
feedback transfer function
autoadjustment
switcher
downregulator
automation
tranny
subregulation
slushbox
switch-hit
chopper
hyporegulator
forward transfer function
dead man's switch
dimmer switch
transition
switchology
stackable
rocker
Shift