釜 本 事 務 所
OFFICE ＫＴＫ
For inquiries or information
TEL: +81-80-1928-8778
（売り込み営業、返信情報なしの利用は厳禁です。
Sales pitches and/or use without reply information strictly prohibited.）
Business hours
9:00 ~ 17:00 (Monday ~ Friday)
Chapter 4 Birth of Setsuden-mushi
4.1.2 Excellent parts
4.1.2.4 Difference between trace amount and zero, and not being bound by common sense
微量とゼロの違い、常識にとらわれない
Serially posted in English every Friday.
