Ku byerekeye ibikinisho, Wang Fu ya Han Donasty yavuze mu 'nyigisho yo kwihisha. Mu gitabo cye, 'Igitabo cyo kureremba kidasanzwe', Wang Fu wo muri Han Donasty yagize ati: 'Ibikinisho ni ibikoresho bya Pla ...
Ibinyabiziga by'amashanyarazi (Evs) byerekana ko uhindukira mu bwikorezi burambye, ariko hafi yo kuba umwanzuro wabo cyane uhindagurika ku bikorwa remezo bikomeye, harimo na sisitemu yo kwishyuza vuba ....