Raws li kev siv ntawm qhov ntau tau muab faib ua: tsev neeg, industrial; raws li khoom noj khoom haus cov ntsiab lus, ib cov kua, thaiv, tej tshuab granules ntim; raws li lub luag hauj lwm ntawm ntim cov ntsiab lus, nrog puab lub ntim, ntim tshuab;
Raws li lub lag luam kev lag luam, muaj cov khoom noj, cov tshuaj txhua hnub, textile thiab lwm cov cav tov; raws li lub thawv ntim khoom, ib qho chaw nres tsheb nkaus xwb, ntau lub chaw nres tsheb ntim cav; raws li lub degree ntawm automation, ib semi-automatic, nkaus tuaj ntim machine.
Muaj ntau ntau lub tshuab ntim cov qauv kev faib tawm, ntau hom kev qhia ntawv nyias muaj nyias tus cwj pwm thiab daim ntawv thov, tab sis muaj lawv cov kev txwv. Los ntawm qhov xwm txheej ntawm tsoom fwv thoob ntiaj teb, pom ntau cov txuj ci kev tshawb fawb tau cais tawm raws li lawv lub luag haujlwm tseem ceeb, nws tuaj yeem tuav qhov essence of things.