1) No rod sparer 2) Oppressor 3) Whipper 1) Shunter 2) Whipper 
A switcher or shunter (Great Britain: shunter; Australia: shunter or yard pilot; USA: switcher or switch engine, except Pennsylvania Railroad: shifter) is a small railroad locomotive intended not for moving trains over long distances but rather for assembling trains ready for a road locomotive to take over, disassembling a train that has been brou...
A switch mode regulator.
[n] - a person who administers punishment by wielding a switch or whip
whipper noun a person who administers punishment by wielding a switch or whip
A mechanism consisting of rotating arms which is fitted to a washback to reduce excessive frothing during fermentation.
A technical device that allows a director to change between various video cameras while recording a