A lawn mower is a machine ... one or move revolving ..t o cut a grass surface to an even height the height of .. may be fixed by.. of the mower but generally is

A lawn mower is a machine ... one or move revolving ..t o cut a grass surface to an even height the height of .. may be fixed by.. of the mower but generally is .. by the operator typically by a single master lever or by a lever or nut and .. on each of the machine's wheels the blades may be .. by muscle with wheels mechanically ... to the cutting blades so what when ... is pushed forward the blades spin or the machine may have a.. or plugins electrick motor