* The most important capital resource used in guitars is wood. The type of wood used will affect the sound, tone, and appearance of the guitar. Common woods used for guitars include mahogany, maple, rosewood, and spruce.
Metal
* Metal is also an important capital resource used in guitars. Metal is used for the strings, frets, bridge, and tuning pegs. The type of metal used will affect the sound and durability of the guitar. Common metals used for guitars include steel, brass, and nickel.
Electronics
* Some guitars also use electronics, such as pickups, preamps, and amplifiers. Electronics can be used to amplify the sound of the guitar, add effects, and change the tone of the guitar.
Other materials
* In addition to wood, metal, and electronics, guitars may also use other materials, such as plastic, bone, and ivory. These materials are used for a variety of purposes, such as binding, inlays, and knobs.