Isu tinosarudzika mukugadzirwa kweAppment B16.11 yakaiswa misodzi, iyo inoshandiswa zvakanyanya mukudzvanywa kwepamusoro-kudzvanywa.
Isu tinosarudzika mukugadzirwa kwesimbi dzakasiyana simbi isina kukodzera, kusanganisira 90 degree socket weld elbows.
