Answer the following questions with "true" or "false."
A. Hex-head cap screws are the most commonly used screws for jig and fixture work.
B. When possible, special bolts should be used to make the tool operate more efficiently.
C. Shoulder screws are a common variation of the socket-head cap screw used for jig and fixture work.
D. Interchangeable keys usually take more time to install than do standard plain keys.
E. T-bolts, slot nuts, and studs are used to hold jigs and fixtures to machine tables.
F. Jig pins are more accurate than plain dowels in aligning parts of a tool.
G. Pull dowels are intended for use in blind holes.
H. The five most common dowels are plain, tapered, pull, spring, and grooved.
I. Cables keep loose parts attached to the tool to prevent loss or damage.