Stainless steel wire
Superconducting alloy
Superconductive liquid level meter
Cleaning method
Polishing
Blood-vessel dilator
Sound reducing device
Photosensitive resin composition
Light source
Polymerization catalyst
Solar cell
Communication system
Electronic auction
Auction strategy-proofness
http://en.wikipedia.org/wiki/Rosin
http://en.wikipedia.org/wiki/Dental_caries
Forceps supporting device
http://en.wikipedia.org/wiki/Organic_semiconductor
http://en.wikipedia.org/wiki/Cerebral_infarction
