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

steel

see 舞鋼市|舞钢市[Wu3 gang1 Shi4]

angle iron

to roll steel (into sheets or bars)

high speed steel

stainless steel

Viagra (male impotence drug) (Tw)

I-beam

glass-reinforced plastic; fiberglass

high-grade well-tempered steel

to be tempered into a steel

lit. disappointed that iron does not turn into steel (idiom); fig. frustrated with sb who has failed to meet one's expectations

one can't function properly on an empty stomach (idiom); an empty sack cannot stand upright