Under what condition should the booms of material handlers be operated in various angles?

The operation of material handlers, particularly concerning the angles of the booms, is significantly influenced by the level status of the truck. When the truck is level, it ensures that the weight distribution is even, stabilizing the machine and reducing the risk of tipping or losing control while maneuvering loads. Operating under these conditions allows for more precise movements and enhances overall safety, as the inherent design of the equipment assumes a stable base.

In contrast, when the truck is not level, it may lead to increased risks of instability and can compromise the safety of lifting operations. For instance, uneven ground can cause the material handler to tilt or sway, especially when loads are extended away from the body of the handler.

Other choices, such as having a clear path, favorable weather conditions, and ensuring that the load is secured, are essential for safe operation as well, but they do not directly address the critical aspect of balance and stability that is necessary when adjusting the boom angles. Thus, the condition of the truck being level is paramount for safely operating the booms at various angles.