When entering a trailer that isn't attached to a tractor always make sure the trailer is secured by trailer restraint or chocked?

When entering a trailer that isn't attached to a tractor, it's crucial to ensure that the trailer is securely restrained or chocked to prevent it from moving. This safety measure helps avoid accidents and injuries caused by the trailer rolling or shifting unexpectedly. Always check that the brakes are set and that proper safety protocols are followed before entering. Taking these precautions is essential for maintaining a safe working environment.