The cordless oscillating tool. Housing and motor are isolated from one another, which takes a good deal of the vibration out of a tool that would otherwise be tiring within minutes. Cordless matters more here than on most machines: an oscillator gets used for short interventions in awkward places — trimming a door frame, cutting out a section of skirting, plunging into a fitted floor — and dragging a lead to each of those is most of the job.
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