Final answer:
When handling materials with obstructed view, a spotter should be used to ensure safety and a clear path. Safe distances must be maintained, and precautions taken to avoid dropping objects onto people or causing damage.
Step-by-step explanation:
If your view is obstructed when handling materials, use a spotter to assist you and make sure your path is clear. Working with objects at height requires caution and safety measures to prevent accidents. It is crucial to stay a safe distance from the edge to avoid the risk of falling, and you should never lean too far over the railing. Before dropping any objects, it is important to ensure that the area below is clear of people or vehicles to avoid causing injury or damage. Furthermore, you need to confirm that the dropping objects will not result in any harm or destruction to the surroundings.