1. Isetshenziswa kakhulu ekukhishweni kukawoyela, ukucwenga uwoyela, embonini yamakhemikhali, ezempi nakwezinye izindawo eziyingozi, njengenkomba yokuphuma ephephile, imiyalelo yokuphuma ukuze isetshenziswe;
2. Ifanele indawo yemvelo yegesi eqhumayo 1, indawo 2;
3. Isimo seziqhumane: isigaba ⅡA,ⅡB, ⅡC;
4. Ifanele indawo yothuli oluvuthayo endaweni 22, 21;
5. Ifanele izidingo zokuvikela okuphezulu, izindawo eziswakeme.
6. Ifanele indawo yokushisa ephansi ngaphezu -40.