help protect the lower legs and feet from heat hazards like molten metal and welding sparks. safety shoes…

Brief Explanations:

Safety shoes are designed to protect feet from various hazards including heat - related ones like molten metal and welding sparks. Metatarsal guards protect the metatarsal area, toe guards protect the toes, and leggings are mainly for covering and comfort, not specifically for heat - hazard protection for lower legs and feet in industrial contexts.

Answer:

A. Safety shoes