harrison531
harrison531
1 / 0
12th Nov 2013
12th Nov 2013
this is only 2 pixels

Comments

  • harrison531
    harrison531
    27th Dec 2013
    oh right
  • AgeStar
    AgeStar
    29th Nov 2013
    It's not "spark separator", it's called "diode", a semiconductor, which conduct electricity only one-way.