質å
- 質åã¯æ¥ã§ã¯ãªãã圹ã«ç«ã€
- æè¡ç³»ã¡ãŒãªã³ã°ãªã¹ãã§è³ªåãããšãã®ãã¿ãŒã³ã»ã©ã³ã²ãŒãž
- ãããªã人ã«è³ªåãããããèªåã§ãããç¯å²ã®è§£èª¬ãæžããŠã¿ãŠããä¿®æ£ãæ±ãã
- ã©ããããããã§ããããããªããŠãã®éžæè¢ããããã§ããã©ãã§ç€ºã
é¢é£
æå¥ã¢ãŒã«ã€ã