In ancient societies, spear-making was a crucial skill for survival, hunting, and war. Traditional spearheads were made from materials such as stone and bronze; however, the advent of cast iron during the Iron Age significantly transformed their construction. The casting process allowed for more intricate designs and larger production volumes, thereby providing warriors with a reliable and effective tool for combat.
Here are some of the mechanical features of aluminum profiles for windows and doors;
“Wrought iron is forged and hammered, bent and shaped while hot”, describes Mac McCarthy of Welded Sculptures by Mac.