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The "Dr" began his act by appearing to cut off his hand, then pretended to remove an organ from an assistant with a rotary saw.
For land with an average of 8 such trees per acre, cutting costs varied from $2.25/acre for using a rotary saw or hydraulic shears to $5.28/acre for total tree extraction including roots using a hydraulic grabber.
But then, so can a rototiller, a pressure washer, a rotary saw, an electric guitar or a gaggle of kids in a backyard wading pool.
The hoses have a rotary saw attached to an end, and are inserted in pipes.