Which safety system is used to help operators enter and exit the TLB?

Hand holds and steps are essential components of heavy machinery like the tractor-loader-backhoe (TLB), specifically designed to facilitate safe access for operators. These features provide stability and support when entering and exiting the cab, significantly reducing the risk of slips, falls, or injuries that could occur if operators attempted to climb in or out without adequate support.

In the context of heavy equipment safety, having properly positioned and constructed steps along with sturdy hand holds is paramount for ensuring that operators can maneuver safely around the machine. This is particularly important given the height of the cab and the nature of the work conducted around heavy machinery, where safety is a top priority.

While side view mirrors, warning lights, and dashboard indicators serve important safety functions, they are not directly related to the process of entering and exiting the TLB. Mirrors improve visibility around the machine, warning lights signal conditions or hazards, and dashboard indicators provide vital information about the machine's operation. However, none of these features assist in accessing the operator's compartment, making hand holds and steps the clear answer for this question.