Fomat mar kalsium, ma bende iluongo ni fomat mar winyo, nigi fomula mar molekyu C2H2O4Ca. Otiyogo kaka gik ma medo chiemo ma owinjore ne le mopogore opogore, ma nigi tije kaka keto asidi, geng’o ng’injo, kod teko mar kedo gi tuoche. E yore mag loso gikmoko, bende itiyo kode kaka gimoro ma imedo e simenti kod ng’injo, e loso ledha, kata kaka gimoro ma rito lewni. Kaka kit chiemo manyien mar medo chiemo, calcium formate konyo e medo kilo: ka oti kode kaka gino mamedo chiemo ne anguro, onyalo jiwo gombo mar chiemo kendo duoko piny kwan mar aol. Ka imedo 1% nyaka 1.5% mar calcium e chiemo ma nyithind ng’ombe chamo pile ka pile, mano nyalo konyo ahinya e loso gik ma nyithind ng’ombe ma oseweyo ng’ombe nyalo timo.

Fomet mar kalsium: ler mar 98% mondo simenti obed motegno kendo oketre mapiyo. Rieko marwa mar loso gikmoko medo ber mar tich ka waluwo okang' motegno mar ber. Be iyiek mar wuoyo kuom dwaro mag chenro mari? Tudri kodwa sani mondo iyud pesa ma owinjore.