Fluid simbi pombi imhando yepombi yesimbi ine mhango chikamu uye isina weld kubva kwekutanga kusvika kumagumo. Fluid simbi pombi ine hollow chikamu, iyo inoshandiswa zvakanyanya sepombi yekufambisa mvura, pombi yekufambisa oiri, gasi rechisikigo, gasi, mvura uye zvimwe zvinhu zvakasimba.