Pouring liquid iron into a bowl that runs down a refractory lined trough that leads to its casting mold spinner where it will then be cool and harden. Thus making a brake drum for an 18wheeler
Read next
From @ironman93
Pouring liquid iron into a bowl that runs down a refractory lined trough that leads to its casting mold spinner where it will then be cool and harden. Thus making a brake drum for an 18wheeler