Because the material properties are suitable, weight, springiness, slick surfaces, strength etc.
Different Materials like metal and Fiber Glass
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They where made out of Metal and plastic the Plastic is called zlonite.
The lenses are made from either glass or plastic. The frames are generally made from plastic, nylon, a metal or metal alloy.
The lenses are made from either glass or plastic. The frames are generally made from plastic, nylon, a metal or metal alloy.
plastic and metal :|
mainly metal and plastic (plastic cover metal inside)
They are made of both metal and plastic
it is made out of plastic and the rod to the brain is metal/plastic
Wood and fiberglass are the most common for the core but you can also have carbon fiber, the edges are made of metal, modern day skis are carbon steel but older skis can have chrome type, such as those used in cutlery. Thetopsheet, graphics and bases are made out of various kinds of plastics.
metal and plastic
plastic and metal