Final answer:
Cracked or broken glass in a piece of equipment is not acceptable regardless of how much is intact, as it poses a safety hazard to the operator and should be replaced promptly to ensure safety.
Step-by-step explanation:
The statement that cracked or broken glass in the cab of a piece of equipment being acceptable so long as at least 25% of the glass is intact is False. In the context of safety and proper operation of equipment, all glass should be intact to ensure visibility and protection for the operator. Additionally, handling broken glass poses safety risks, requiring proper protection like gloves and goggles, and safe cleanup methods. Hence, broken or cracked glass should be replaced promptly to maintain the safety and integrity of the equipment.