Imirhawu yeqingatha iqhutywa ngokwemigomo lekugcina. Ukuhlelwa kwangaphakathi, kubandakanya amandla wemoto (isb., 70HP, 86HP, 100HP), uhlobo lomendo wemayelana (olwandlela vs. ophumelelayo), namandla wokugcina (olwandlela vs. olulodwa), lwenza umkhiqizo wokugcina. Iziphawu ezifakwayo, njengezinhlobo zokuphinda umoya, ukulinda kwehlanza, izinkinobho ezingokuthandwa, nezinhlobo zokuxhumana, zongeza izindleko. Ngokudla, izimo zokulandelana (isb., Isitha III, Isitha IV) ziyahlakisa izindleko kakhulu, ngeqiniso lezimo ezinobukhulu ziyavumela amagigaba amakhulu.
Sikwamukela imithetho yokulanda izindleko ngendlela elandelana, sikhokha izisonto zokulanda kakhulu futhi sikhokha izimpumelelo eziyisikati. Sikhokha ukunquma okuphezulu kwezindleko zokumkela (TCO) ukuze abasebenzisa bavumele ukuthi baziqaphi izindleko ngokuphelele kwezinsiza, kuhlanganisa nokuthenga, ukusebenzisa, ukulungisa, futhi ubukhona obusemva. Abakhokhi bokulanda, sigxilela noma amathuluzi wokuphansi ukuze sikhokhe amathuba aphezulu futhi noma amathuba okulandela. Ukuhlonipha kuyinkundla yethu: wonke amagigaba afaka izinhlelo zokusebenza ezilandelayo futhi ayikho amakhawula amathathu, ukuze abasebenzisa bakwazi ukwenza izinqumo eziqinileyo ngokuthenga.