refine / train / tempering / drill / polish

chain / irons / connection

(of paper) a ream / (poetry) a stanza; a verse

a group of people

to smelt (metals) / to forge / to refine

Clipping of ソビエト連邦 (Sobieto Renpō, “Soviet Union (a former country)”).

refine metals / kneading over fire

Dalian (a major sub-provincial city in Liaoning, in northeastern China)

trees having intertwined branches / the deep relationship between married people

(commonly) inexpensive; (derogatory) cheap