出典:Wikipedia
出典:『Wikipedia』 (2011/05/22 19:54 UTC 版)
Sword making, historically, has been the work of specialized smiths or metalworkers called bladesmiths or swordsmiths. Swords have been made of many different materials over the centuries and with a variety of tools and techniques. While there are many criteria for evaluating a sword, generally the four key criteria are hardness, strength, flexibility and balance.