1) Simbi yekuchengetera nzvimbo kana imba yekuchengetera, inofanirwa kusarudzwa munzvimbo yakachena, inotsvedzerera mvura, kure nemagasi anokuvadza kana mafekitori eguruva nemigodhi. Kuvapo pasi kunobvisa masora ose nemarara, kuchengetedza simbi yakachena;
2) Muimba yekuchengetera zvinhu kwete ine acid, alkali, munyu, simende, simbi uye zvimwe zvinhu zvehasha zvakarongedzerwa pamwechete. Mhando dzakasiyana dzesimbi dzinofanira kuiswa zvakasiyana, kudzivirira kuvhiringidzika, kudzivirira kubata ngura;
3) Zvikamu zvinorema, njanji, kunyara simbi, hombe dhayamita simbi pombi, forgings, nezvimwewo, inogona kuvhura marasira;
4) Simbi diki nepakati nepakati, waya tsvimbo, rebar, dhayamita yepombi yesimbi, waya yesimbi uye tambo yewaya, zvichingodaro, inogona kutarisirwa mushedhi inofefeterwa nemhepo yekuchengetera, asi inofanirwa kunge iri pasi peuswa;
5) Imwe simbi diki, shiti, tambo, silicon simbi pepa, diki caliber kana matete-akavakirwa simbi pombi, marudzi ese echando-akakungurutswa, simbi inodhonzwa nemitengo yakakwira, zvigadzirwa zvesimbi zvinoparadza, chengetedzo inogona kuchengetwa;
6) Pfuma inofanirwa kuve yakavakirwa pane yakasarudzika mamiriro enzvimbo, iyo yakajairwa yakavharirwa imba yekuchengetera, iri denga rine madziro, magonhi uye mahwindo akasimba, ine Treasury ventilation zvishandiso;
7) Treasury inoda zuva kutarisisa kufefetera, kunaya kwepedyo kutarisisa hunyoro, uye chengetedza nzvimbo yekuchengetera yakakodzera.