What method is advisable in demolition operations to break an object?

In demolition operations, the recommended method for breaking an object involves delivering several heavy impacts followed by lighter impacts. This approach is effective because heavy impacts help to initiate fractures or weaknesses in the material. Once these fractures are established, applying lighter impacts can easily propagate the cracks, effectively breaking the object into smaller pieces without causing excessive damage to the surrounding area or increasing the risk of unforeseen collapses.

Using heavy impacts first provides the initial force needed to overcome the structural integrity of the material. The subsequent lighter impacts refine the breaking process and ensure more controlled demolition. This method minimizes the potential for erratic debris flight and helps maintain a safer working environment.

In contrast, using continuous heavy impacts could lead to chaotic results as the energy applied might not be directed effectively to break the material. Light impacts only may not produce enough force to break through stronger materials. Similarly, using explosives, while effective in certain circumstances, introduces a level of unpredictability and risk that may not be necessary for simpler demolition tasks.