Sulfur, charcoal and saltpetre can be combined to to make gunpowder. Ammonium nitrate (fertilizer) and ordinary motor oil make Anfo which is a very powerful explosive. Nails and screws make shrapnel. Steel tubing can be made into rifle barrels. Larger tubing can be made into misslie launchers. What else do you need to know?
U.S. defense contractor accused of copying secret military documents (Reuters)
from the article: Let the aid flotillas sail to Gaza