When arriving at a navigation lock what is the order of priority

Commercial vessels, fishing vessels, military craft then pleasure craft

Explanation:

A navigation lock is a device which is used in the upward or downward movement of ships in a water body.

The required and standard preference is Commercial vessels, fishing vessels, military craft then pleasure craft

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;

manifest functions are the recognized and intended consequences of any social pattern, while latent functions are those unrecognized and unintended consequences. to analyze the manifest functions of any social institution, we have to study its contribution to the continuation of a group, community, or society.