You’ve probably never seen the firewall, that slab of steel between you and the heat of your car’s engine, nor do you care about it.
But the way it’s designed and welded into vehicles may be the key to financial survival for

You’ve probably never seen the firewall, that slab of steel between you and the heat of your car’s engine, nor do you care about it.
But the way it’s designed and welded into vehicles may be the key to financial survival for