1. Impahla inamandla aphezulu, ipulasitiki enhle nokuqina:
Insimbi inamandla kakhulu kunezinye izinto zokwakha ezifana nokhonkolo, amatshe namapulangwe.Ngakho-ke, ifaneleka ngokukhethekile izingxenye nezakhiwo ezinama-spans amakhulu noma imithwalo esindayo.Insimbi nayo inezici zepulasitiki ezinhle nokuqina.I-plasticity enhle, isakhiwo ngeke siphule ngokuzumayo ngenxa yokulayisha ngokweqile ngaphansi kwezimo ezijwayelekile;ukuqina okuhle, isakhiwo sinokuvumelana nezimo eziqinile emithwalweni eguquguqukayo.Umthamo omuhle wokumunca amandla kanye ne-ductility nakho kwenza izakhiwo zensimbi zibe nokusebenza kokuzamazama komhlaba okuphakeme.
2. Isakhiwo sensimbi kulula ukwenza futhi isikhathi sokwakha sifushane:
Izinto ezisetshenziswa esakhiweni sensimbi zilula futhi ziqediwe, ukucubungula kulula, futhi ukusebenza ngomshini kungasetshenziswa.Ngakho-ke, inani elikhulu lezakhiwo zensimbi ngokuvamile lenziwa izingxenye ezimbonini ezikhethekile zesakhiwo sensimbi ngokunemba okuphezulu.Lapho izingxenye ziqoqwe endaweni yokwakha, amabhawodi avamile namabhawodi anamandla aphezulu okulula ukuwafaka angasetshenziswa, futhi ngezinye izikhathi angahlanganiswa futhi ashiselwe phansi abe amayunithi amakhulu ukuze aphakanyiswe ukuze kufinyezwe isikhathi sokwakha.Inani elincane lezakhiwo zensimbi kanye nezinsimbi zophahla ezilula zensimbi nazo zingakhiwa esizeni bese ziphakanyiswa ngamathuluzi alula.Ngaphezu kwalokho, kulula kakhulu ukwakha kabusha nokuqinisa isakhiwo sensimbi esiqediwe, futhi isakhiwo esixhunywe namabholithi singabhidlizwa njengoba kudingeka.