A tiedown assembly can be made of

  1. wire rope.
  2. nylon webbing.
  3. chains.
  4. any of the above. ✓

Answer: D. any of the above.

A tiedown assembly can be made of any of the listed materials: wire rope, nylon webbing, or chains.

Why this is the answer

The loading section treats chain, wire rope, and webbing as tiedown materials. It cautions about knots anywhere in chain, wire rope, or webbing, and it lists defects in nylon webbing and wire cable as reasons a tiedown cannot be used for cargo securement. Another page gives load limits covering chain, synthetic webbing, and wire rope. Because the handbook discusses each of these as tiedown equipment, it supports the broad answer that a tiedown assembly may be made of any of them.

Why the other answers are wrong

Remember it

If the choices name several tiedown materials the handbook discusses, don't narrow it to just one.

Official handbook: ICBC Driving Commercial Vehicles, 5 Skills for driving trucks and trailers – Loading, p. 95

Explanation drafted with AI (deepseek-flash) from the official handbook passage cited above, then checked automatically and by a second model on 2026-10-23. Always confirm with the official handbook.