Most screws are suitable for a number of refurbishments before the thermal stresses imparted by re-welding could result in weakening the structure of the base metal and lead to subsequent fracture……
Most screws are suitable for a number of refurbishments before the thermal stresses imparted by re-welding could result in weakening the structure of the base metal and lead to subsequent fracture……
A bit like not wearing a seat belt, most of us now feel uncomfortable about not recycling our household waste. Recycling can however be more than a way to appease your guilt as a major consumer (around a tonne of Carbon Dioxide production is saved for every tonne of re-processed material used instead of virgin), it can now also make good business sense.