piano; CL:架[jia4],臺|台[tai2]

steel

fountain pen; CL:支[zhi1]

pianist

steel wire; tightrope

acetal resin; Delrin; unplasticized polyvinyl chloride (uPVC or rigid PVC)

Baosteel, Chinese steel maker formed in a 1998 merger, then merged to form Baowu 寶武鋼鐵|宝武钢铁[Bao3 wu3 Gang1 tie3] in 2016

scrap metal; steel scrap

steel groove; V-shaped steel bar

to make steel; steelmaking