What is the best way to permanently write on plastic where sharpie markers rub off way to easy?

Specifically on a USB flash drive and MP3 player with a plastic casing.

Also I found "Itoya Nikko Permanent Pens" that claim to write on metal; does anyone know about these? link: where in ga. cn you purchase sm.ponderosa pinecones in lrg. quantities?

can you tell me how much it will cost to run a one beded flat in west midlands bills etc?

Now that Monitorhead has bought a new house..?

Does it work - placing clear bag of water over the outside door to eliminate flys?

Bug in bed of college kids house. Does not look like a bed bug. Does not bite. What is it? Help!?

who manufactures moda vera knitting yarn?

ok.i found a grass hopper and it is really bright green..its small.what kind is it?

How Do I Clean The Inside Of My Charbroiled Grill?

How far is it to your toilet?