Sirivha yakaisvonaka kana simbi isina tsvina zviri nani pazvishongo? ari kunyatso rovera pamhando yezvishongo zvauchazogadzira? Seye mugadziri, kune akati wandei simbi zvinhu zvakajairika kushandiswa.

1) Iron;
2) Zinc chiwanikwa;
3) Brass;
4) Stainless simbi; yeiyo stell kara, chimwe chezvakanakisa chinhu hachisi chiTanish, iwe unogona kugara uchichengeta iyo kara, uye unogona kutopfeka iyo lfie refu. iwe unoda kuisa yakanaka anti-tranish dziviriro pairi.

Uye kune iron, zinc alloy, ndarira, kuisirwa kuchadikanwa pairi.