How to make an AIR COOLER at home

This is a really awesome project totally made at home. This simple but most reliable project cool the air on the principle of water evaporation. It has many different names in different countries. But mostly known as Water Air cooler. MUST WATCH THESE VIDEOS FOR COMPLETE GUIDENCE: WATER PUMP VIDEO: https://www.youtube.com/watch?v=rQL6R5ErF0o DREMEL TOOL: https://www.youtube.com/watch?v=iVKX1-u_qwk GRINDING WHEEL: https://www.youtube.com/watch?v=huttYnoZkcY TEMPERATURE APP: https://play.google.com/store