What is safe gard?
something that serves as a protection or defense or that ensures safety. a permit for safe passage. a guard or convoy.
What is an alloy toe?
An alloy toe is one made from a variety of elements which are primarily Silicon, Iron, Copper, Manganese, Magnesium, Chromium, Zinc and Titanium. It is lighter, but bulkier, than steel. NMT (non-metallic toe), also called composite toe, doesn't conduct heat or cold to the foot.