Sand

Sand is not a need for survival but is suggested to have. It is versatile making it useful for many cases.

Uses
By itself, it is useful in rifles to have longer distance of sight. It is mainly used to make more advanced structures such as Adobe Set, Greenhouse, and Med. Shelter. ===Craftable items involving ===
 * Wet Sand(Water)
 * Glass(Fire)
 * Clay
 * Scope

Craftable tools involving

 * Greenhouse
 * Adobe set
 * Med. Shelter
 * Bulletproof Vest