Normally it is a machine, but I suppose you could use it as the person/operator. If you are writing it, the hyphen definitely helps, as the machine is unhyphenated. I myself would inquire about the gardener .
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Mister MicawberNormally it is a machine, but I suppose you could use it as the person/operator. If you are writing it, the hyphen definitely helps, as the machine is unhyphenated. I myself would inquire about the gardener.Thanks. I've used the "tree-trimmer" to mean both machine and person who carries out the act, but not have not come acro