Final answer:
Safety precautions to avoid injury from falling loads include staying away from the edge, not dropping objects onto passersby, using safety helmets, and complying with OSHA standards.
Step-by-step explanation:
Safety precautions to prevent injury from falling loads at an excavation job-site include several measures. Workers should stay a safe distance from the edge of excavations and avoid leaning over railings. It's essential not to drop objects into areas where people or vehicles might be passing by, and to ensure that the dropping of objects does not cause damage. The use of safety helmets and protective equipment is crucial. Adherence to OSHA standards, like having fall protection, preventing trenching cave-ins, and providing adequate training, is vital for worker safety. Knowing the location of laboratory safety equipment and following general safety guidelines are also part of maintaining a safe work environment.