| 摘要 |
A grounds maintenance tool sends power to a grounds trimming or lawn edging orthogonal isometry from about an identical transport route, the tool orthogonal isometry is orientated by an upright power control handle and a three-way lateral control handle that is sometimes used as a bar arm, the power control handle provides a rear arm rest that also contains shaft stops and a power control trigger with one or more speeds to keep an index finger in about identical tool operating frameworks, the longitudinal power control handle, lateral control handle and the auxiliary shoulder harness creating a congruent orthogonal isometry on the shaft center of rotational symmetry, the cutting disk bringing the string line filament inner and outer spool out in radius to obey elasticity laws, the cutter stabilizes quickly, the guard side walls are folded to wing ends, the three main skids are stabilizers and the arm rest is a wand.
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