LOH KHAI LUN D20102043998 (B24)
Tuesday, 13 December 2011
Cara-cara mengurangkan Geseran
1)
letakkan gris.
2)
gunakan guli.
3)
letakkan kusyen udara.
4)
letakkan lilin.
5)
letakkan bedak.
6)
melicinkan permukaan.
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment