without which the piglets will not grow as fast. One is teeth clipping. The second is iron supplementation. Piglets are born with needle teeth, which need to be cut; failure to which they will ...

[Sir Henry Bessemer]’s method for turning pig iron into steel was a great boon to industry because it made production faster and more cost-effective. More importantly, [Bessemer]’s process ...

M. Tissier also operated ou gray pig iron containing six and a half per cent of silicon, and graphitic carbon. The iron was heated with an excess of carbonate of soda at a bright red heat for ...