The Three-Point Rule - Truck Safety You Don't Have To Fall Off A Truck! Falling while getting into or out of heavy equipment, a truck or tractor cab, hooking up air and electrical lines, or mounting or dismounting trailers is a sure way to get seriously hurt. An insurance industry study showed that falls from vehicles produced injuries that were almost 25% worse than other types of injuries. Even an ankle sprain can play havoc with your ability to use the clutch. Minor injuries can cost you big in terms of lost income and downtime. The biggest single cause of falls from a vehicle...