鍛冶: to smith

鍛冶: smithing

短時間: short span of time

丹念: assiduity; diligence; application

丹念: careful; painstaking; elaborate

炭安: ammonium carbonate

(slang) Alternative form of ちゃん (“-chan”); -tan

短期: short term / 短気: short temper / 単機: lone plane, airplane flying by itself / 単騎: lone horseman / 単記: single (ballot)

one, 1 / the first in order, foremost / the beginning / the best / a kind of; one of something / (card games) an ace / unity / the bottom string of a shamisen or other Japanese musical instrument

epoch