wd40 is 是可以喷的润滑oil. 用起来象莫斯一样。Go canadian tier, ask and get it. m; D; S* `! S' f) o
WD40 is multi-purpulse, you can use it anyway need 润滑oil. Keep on in home is good.
My cpu fan had big noise before. I added several drop of WD40. it works fine now. ' n ~) {# F7 b) k, i0 B5 T8 I3 @9 v5 O- v
it is 2 or 3 dollar a bottle in canadian tire.