Abantu bayakhethaizitulo ezinamavili ukuze umntu akwazi ukwenza izintoukuze baqhubeke nobomi babo. Izitulo ezinamavili zingabanceda kodwa sikwadinga inkxaso evela kuzo zonke iinqanaba zoluntu ekusebenziseni izitulo ezinamavili.

Iirempu zezitulo ezinamavili zibaluleke kakhulu ngokubhekiselele ekufikelelekeni. Umzekelo, ukuba akukho rempu yezitulo ezinamavili ecaleni kwezitepsi eziya kwivenkile enkulu okanye kwithiyetha yeemuvi okanye kwithiyetha, ezi ndawo aziyi kufikeleleka kwaba bantu. Abantu abasebenzisa izitulo ezinamavili akunakwenzeka ukuba basebenzise ezo ndawo, ngokutsho kweNingboBaihen.

Masikhe sichukumise ngokufutshane imbali yeerempu zezihlalo zabakhubazekileyo zombane. Nangona kungekho nkcukacha zichanekileyo ngalo mba, kukholelwa ukuba iirempu ezifana neerempu zezihlalo zabakhubazekileyo zombane ezisetyenziswa namhlanje zazisetyenziswa ngexesha lokwakhiwa kweephiramidi zaseYiputa, itsho iNingboBaichen. Ukongeza, kukho amarhe okuba amaGrike amandulo ayesebenzisa iirempu ukuze adlule kwiinqanawa emhlabeni.

I-NingboBaichen ithi ifunyenwe ngophando ukuba ii-ramps ze-wheelchair ezisebenza ngamandla zazisetyenziswa eTshayina ngo-525 BC Ekuqaleni kweminyaka yoo-1900, i-ramp yayisetyenziswa kwiGrand Central Station eNew York City, kodwa le ramp yayisetyenziswa kakhulu ukuthutha imithwalo yabakhweli. Emva kokuphela kweMfazwe Yehlabathi yesiBini, abantu baqala ukuqaphela ukubaluleka kwee-ramps ezikhoyo, utshilo uNingboBaichen. Kule minyaka, imfuno yee-ramps ze-wheelchair ezisebenza ngamandla yanda njengoko abanye oochwephesha babethintelwa kukusetyenziswa kwezi-wheelchair ezisebenza ngamandla, utshilo umthengisi we-wheelchair waseTshayina. Phakathi kwinkulungwane ye-19, abantu baqala ukucebisa ukuba iindawo zikawonke-wonke mazisetyenziswe rhoqo, utsho uNingboBaichen. Ekugqibeleni, ngasekupheleni kwenkulungwane yama-20, uMthetho waseMelika oKhubazekileyo waqala ukusebenza kwaye ii-wheelchair ezisebenza ngamandla zaba yinto eqhelekileyo.