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techfriday
acerichie
science
7y
TechFriday(How it works): GSM Mobiles
Cell phones have been in existence for a long time now and it is true that humans have a cyclical codependence on them. Life is all about communication and there is no life without it. We all use cell
$ 3.278
40
3
acerichie
steemstem
7y
TechFriday(How it Works): Air Conditioners
Photo Credit: allareaappliancellc Many of us, especially those living in the warm & hot regions, have air conditioners (AC) installed in our houses and offices. Even our cars has for long been using
$ 4.494
22
10
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