China Makina a Shossing Othandizira
Ndife akatswiri pantchito zongopeka, takhala tikukhala zaka zambiri kwa zaka 17, tili ndi makina ochita zamanja komanso makina ogwirizana, timapanga chovala chimodzi, timapanga chovala chimodzi, timapereka utoto ndi maphunziro. Ponena za kuwonongeka kwa chilengedwe, tinapeza silikani sicrine yofakitale, kutetezedwa kwa chilengedwe kapena kusavulaza anthu, ndiye kuti ndi bwino.