Answer:
When approaching a blind corner with a forklift, the operator should slow down, sound the horn, and if necessary, stop and wait for clearance. Therefore, the most appropriate answer is all of the above.
Step-by-step explanation:
When approaching a blind corner with a forklift, the correct action to take is to slow down and proceed with caution, sound the horn to alert others, and potentially stop and wait for clearance if the situation requires.
It is essential for the safety of both the forklift operator and other people in the area that these precautions are taken to prevent accidents. In environments where heavy machinery like forklifts are used, safety measures such as these are critical for preventing injuries and ensuring a safe workplace. Therefore, the most appropriate answer is all of the above.