Chengetedza uye kubata zvinoenderana nemitemo yese yemari nemitemo. . Kana liner iripo, sunga mushure mekushandiswa kwega kwega. Chengetedza Midziyo Yakavharwa Zvakasimba uye Yakanyorwa Zvakakodzera. Chitoro midziyo pamapalleti. Ramba kure nechikafu, chinwiwa uye chikafu chemhuka. Ramba wakaparadzaniswa kubva pazvinhu zvisingapindirani. Ramba usisiya kubva pakurasa zvinyorwa, kupisa nemurazvo.
Kuchengeta kusakwana: Sevira kubva kune vakasimba vamiriri, Ammoniation, maAmonium munyu, Nitrogen ane makomputa, Acids, zvigadziko zvemhando yepamusoro, mhepo inonyorova kana mvura.