Chapter 1315 Two Questions and Two Solutions

h pure iron can ensure its stability, it also increases its weight and maintenance difficulty. Over time, it will rust and is not conducive to heat dissipation after the gunpowder ignites. We can cons...te, and if I am able to help, I will definitely do so.""Master," the woman said with a brave voice, "we are refugees from the border. The Liao army is at war with the court, and we ordinary people liv...