Inqubo ye-CSP, eyaziwa nangokuthi i-compact tropical production line, iyashisa futhi yathuthukiswa yinkampani yaseJalimane i-Sloman – Siemag (SMS) ngo-1982. Kamuva yatshalwa kabusha embonini yase-Nucor Crawfordville e-United States futhi yaguqulwa ngokobuchwepheshe 1989. Inqubo yokuqala ye-CSP yokusakazwa nokugingqika eqhubekayo yaqedwa. Inqubo ye-CSP: isiguquli noma isithando somlilo sikagesi → isithando somlilo sokucwenga i-ladle → umshini wokuphonsa we-slab omncane oqhubekayo → ukucwiliswa kokugcinwa kokushisa kwesithando somlilo → umshini wokugaya oshisayo → ukupholisa i-laminar → ukugoqa ngaphansi komhlaba.