Pig iron used either as temporary or permanent ballast or as a weight for inclining a vessel.
Intsimbi ekrwada esetyenziswa nokuba yeyiphi njengeyexeshana okanye isigxu=ina sezinto ezinzima ezilayishelwa ukuzinzisa inqanawe okanye njengesisindo sokuthambekisela inqanawe.