transportation unit test\nidentify this tool\nsocket\ncombination wrench\nextension\nratchet

Brief Explanations:

The image displays a hand tool commonly used for tightening or loosening nuts and bolts. This tool features a handle and a head with a square drive mechanism that allows for continuous rotational motion in one direction while preventing motion in the opposite direction. This mechanism is characteristic of a ratchet.

• A socket is an attachment that fits onto the square drive of a ratchet or other wrench to engage with a fastener.
• A combination wrench has an open end on one side and a box end (ring spanner) on the other.
• An extension is a bar used to increase the reach of a socket wrench. The tool shown is a ratchet.

Answer:

Ratchet