only need 20hrs internet class.

and pass a onsite exam for level 1, then you can buy your own freon.

所有跟帖： 

• 斑竹也很牛啊！ -小心翼翼的小地主- ♀ (0 bytes) () 07/11/2012 postreply 10:02:05

• lol, I am not licensed, -jy101- ♂ (29 bytes) () 07/11/2012 postreply 10:15:47

• 俺這還要3年的學徒經驗。夏天attic100多度，不學也罷。 -千裏66- ♂ (0 bytes) () 07/11/2012 postreply 10:23:02