Final answer:
OSHA standards and regulations are in place to ensure the safety of workers who are exposed to heavy equipment. Employers are required to put guards on dangerous machines and provide training for certain dangerous jobs.
Step-by-step explanation:
According to OSHA, the number of struck-by fatalities involving heavy equipment is not specified in the provided information. However, OSHA standards and regulations are in place to ensure the safety of workers who are exposed to heavy equipment. For example, OSHA requires employers to put guards on dangerous machines and provide training for certain dangerous jobs. These measures help reduce the risk of accidents and fatalities caused by heavy equipment.