https://contreras-lamont-4.blo....gbright.net/burandoz
https://pastrybeetle08.edublog....s.org/2024/10/27/%e5
https://writeablog.net/handmoo....n75/burandozhi-pin-g
https://squareblogs.net/pastec....onga95/burandobatsug
セラミックは傷や変色に強いのですが、加工が難しく時計の制作には向いてい