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)

to draw a circle, to make a circle-shaped movement

(art) drawing (being able to draw) characters distinctly

imperfective and stem (or continuative) forms of 描き分ける (kakiwakeru) [ichidan]