These days, water filtration method commonly uses chemically made substances. This could be harmful and the sources are limited. Activated carbon that is used in water filters are made from charcoal. Charcoal is non-renewable and has only a finite…

Nowadays, solar technology is one of the new technologies that produce electricity. There are various types of solar systems used in housing and industry such as Off-grid system, on-grid system, hybrid system and so on to generate electricity. One…