Rusty Screws

• Ayukat

  1 Jan 06, 15:56

  If Black Screws rusty... den u apply WD-40... after the rust okay liao, the rust area become wat colour?
  
  If Copper Screws rusty... den u apply WD - 40... after the rust okay liao, the rust area become wat colour?
• ditzy

  1 Jan 06, 16:16

  I dunno, I'm not a mathematician.