Jockey pulley
Apply powdered resin
Reduce the distance between pulleys
Increase the distance between pulleys
Wire belt fastener
Jackson belt fastener
Lagrelle type belt fastener
Crescent plate belt fastener
Galena
Blende
Bauxite
Malachite
Copper and tin
Copper and zinc
Copper and lead
Copper and nickel
Light weight
Hard and Brittle
High tensile strength
Low thermal conductivity