From: bill lam Date: Wed, 21 Jan 2009 05:27:41 GMT Subject: what are plumbing and porcelain Message-ID: <20090121052741.GC6970@b2j> Sorry for this idiot question, but I really don't know what they are and why it is necessary to distinguish between them. -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 唐詩318 李白 清平調三首之二 一枝紅豔露凝香 雲雨巫山枉斷腸 借問漢宮誰得似 可憐飛燕倚新妝