What are three ways minerals are used?

Nutrition

Minerals play a vital role in the health of the human body. Iron, calcium, manganese, magnesium and selenium can be found in certain foods that you eat.

Electronics

Technology would not be what it is today without the use of the mineral silica. Perhaps its most well-known use is in the making of computer chips.  

Construction Industry

Mined in the United States and Chile, copper is a natural electrical conductor. Used in making wires and cables, copper is found around the home in TVs and light switches. Plumbing materials and heating units also commonly contain copper and iron.

courtesy :https://www.livestrong.com/article/534033-what-are-the-84-minerals-in-himalayan-salt/