lightning
The difference between passive and active lightning rods
Lightning rods, also known as air terminals or lightning conductors, are designed to protect structures from lightning strikes by providing a path of least resistance...
exothermic welding
Exothermic welding mold and types
Exothermic welding mold, also known as exothermic welding crucible or mold, is a device used in the exothermic welding process to create a permanent and strong electrical connection...