Stud welding uses a type of flux called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. The ferrule is broken off of the fastener after the weld is completed.
Inertia is a nice and easy physics lessons for kids and children. In physics, inertia is part of Isaac Newtonâs First Law of Motion simply stating that a particular object at rest will stay in that state unless otherwise a force is put on it for the object to move.
inertia (inurÂ´shÉ), n according to Newton's law of inertia, the tendency of a body that is at rest to remain at rest and a body that is in motion to continue in motion with constant speed in the same straight line unless acted on by an outside force. inertia. inactivity, inability to move spontaneously.