Opt for a thermostatically controlled and easily adjustable system, and insulate wherever you can, to prevent heat from escaping and noise from coming in.

I'm trying to invent a cheap, portable gadget, easily adjustable, to obviate the need for splitting cardboard, slicing corks, piling beermats or folding paper to the requisite thickness.

The whole cycle can be packed away into a special travel case and the handlebars and seat are easily adjustable for adult riders of all shapes and sizes.

It featured inclined valves operated via easily adjustable tappet levers by two overhead camshafts, an important innovation at the time.

The method of attaching the movable jackstay should be easily adjustable, but reliable.