FIG. 1 is a top plan view of a commercial lifting device-power unit of the present invention;
FIG. 2 is a bottom view;
FIG. 3 is a front elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a left side elevational view; and,
FIG. 6 is a right side elevational view of the present invention.
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