they are made out of wood and the kind of wood isw oak
The Millau Viaduct is a cable-stayed bridge, supported by high-performance concrete pylons. The bridge consists of 166,000-cubic yards of concrete, 21,000-short tons of steel for the reinforced concrete, and 5,500-short tons of pre-stressed steel for the cables.
concrete
concrete
steel cables, roadwork, towers
copper
Mainly re-enforced concrete (concrete that's been set around steel rods). The cables are made from many long strands of steel.
It is mostly made of concrete. Ralph Wiggum.
Most electrical wires and cables are made of solid copper, aluminum, or steel.
Most electrical wires and cables are made of solid copper, aluminum, or steel.
At present steel make the strongest cables. Research is being done on other materials which have a very high tensile strength. One of the is known as Carbon Nanotube.
The Verrazano-Narrows bridge connects Brooklyn and Staten Island and is named for Giovanni da Verrazzano. The bridge is constructed from concrete pilings, steel wire cables, iron eyebars, steel girders, and steel towers.
Most tire or snow cables are made out of steel, and mass produced in factories around the world. Some of less quality, are plastic, both types slow down cars, but effectively gain traction on snow.