Ki tiiyo kwede ma calo gin ma juku oyot, moo ki gin ma miyo cement bedo matek. Ki tiiyo kwede me gedo got ki got ma pat pat me medo rwom me dongo pa cement ki dwoko piny kare me dongo ne, tutwal i kare me gedo i kare me ngiico me gengo rwom me dongo ne bedo mot i kare me lyeto manok. Yub oyoto, wek ki ket cement ni i tic oyotoyot. Calcium formate tiyo kwede: kit jami ma ki rubu ma otwo weny, kit got weny, jami ma pe balo, yubu ngom, yubu cam, yubu del kom. Kit me tic ki calcium formate ki gwoke Wel calcium formate pi ton acel me got ki got ma otwo tye 0.5 ~ 1.0%, ki wel ma malo loyo tye 2.5%. Wel calcium formate ni mede mot mot ka lyeto tye ka dwogo piny. Kadi bed ni ki keto wel 0.3-0.5% i kare me cwir, obi bedo ki teko ma nen con.