1. Inkangeleko ecocekileyo, uyilo olufanelekileyo kunye nesimbo esisodwa;
2. Iindleko zokufakela ziphantsi, kwaye i-overhead galvanized sheet sheet i-insulation pipe ithengiswa ngokuthe ngqo ngumenzi, ngoko ke ukufakwa kwendawo yangaphakathi kuncinci kwaye kukho iindawo ezimbalwa;
3. Amandla acinezelayo alungileyo kunye nokuqina;
4. Ubukhulu bodonga bunokukhethwa kuluhlu olukhulu;
5. Ukumelana nomhlwa owomeleleyo, olungele zonke iintlobo zealkali eyomeleleyo, inkungu yealkali kunye nezinye iindawo ezomeleleyo ezinomhlwa;
6. Iinkcukacha kunye neemodeli zinokwenziwa ngokwezifiso ngokweemfuno zomthengi, izicwangciso zokuyila;
7. Ukumelana ne-UV, ixesha lesicelo se-shelf engenanto yangaphandle malunga neminyaka eyi-15, kwaye inokufikelela kwiminyaka engama-30 kwigumbi;
8. Inkqubo yomgangatho wempahla iphezulu, kwaye zonke iinqununu zisemgangathweni, ezigcina izinto eziluhlaza, zilungele ukugcinwa kunye nokunciphisa ixesha lokuhambisa;
9. Ukucutshungulwa kombhobho womoya kwamkela ubume obuqhubekayo be-spiral undercut, enenzuzo yokuqina okuhle, ukuqina kunye nokungadleki.