Corrections

Text from MohamedRizk4sci - English

    • Using of 3D Printers

    • Some of this uses are dangerous.
    • They could print a complete weapon such as Knifes or guns.
    • I am afraid, If the government consider that printers as a dangerous machine.
    • On the other hand, they could print very useful things.
    • I found in the Internet that the scientists fabricated a very small battery that I can use in Laptop or mobile phone by using this printer.
    • I watch a news report on Fox News that a Father built prosthesis for his child and it cost only ten dollars.
    • This is the link of this report (http://goo.gl/WDirft ).

PLEASE, HELP TO CORRECT EACH SENTENCE! - English