uneven induction hardening pattern
it causes breakage.
Springs, ammuntion, lack of cleaning, parts breakage
Because the spinning motion produces friction which causes it to heat up!
If you do alot of teasing or backcombing to yourv hair then that can cause it to be lost :/
Arthritis, past injury (bone breakage), or double-jointedness.
A blockage at the leading edge of the bit.
Friction causes the object to heat up.
Aluminums breakage pattern is Fracture.
a chemical reaction causes breakage and bonding of the atoms and molecules in any substance that consists of matter.
Chlorine strips hair of it's oils and causes it to dry out. Make sure you condition after getting out of the pool to prevent breakage.
Friction. When the drill bit is doing its job, cutting the material causes heat and so does the contact of the flue against the walls of the hole.