Harmful health effects of the computer on the human body
People who use the computers for an extensive period of time may complain about headaches & pains in their wrists, arms & necks, These pains are due to using the computer keyboard for a...
People who use the computers for an extensive period of time may complain about headaches & pains in their wrists, arms & necks, These pains are due to using the computer keyboard for a...
