software used in art and architecture and engineering and manufacturing to assist in precision drawing
Iron instruments with sharp points, worn on the shoes to assist in gaining or keeping a foothold.
A rope to haul down, or to assist in hauling down, a sail
An openwork frame, as of poles, filled with stones and sunk, to assist in forming a bar dyke, etc., as in harbor improvement.
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks n
