kokwai's trails
Kok Wai's journal for stuffs discovered while roaming the net.
Wednesday, August 18, 2004
Making Copies
Xerography, most of us use it everyday, but do we know how it works and who invented it?
No comments:
Post a Comment
Newer Post
Older Post
Home
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment