Lub hom phiaj ntawm qhov tsis muaj peev xwm ntawm cov duab ua ntej, qhov tsim tau muab cov khoom siv tsis siv neeg pub thiab nws txoj kev siv, uas tuaj yeem thauj khoom, ntes, txheej txheem lossis muab ob qho tib si, nrhiav kom pom lub zog siab thiab nrhiav kom tau qhov tseeb, txo cov tib neeg thiab cov khoom siv, txuag cov nqi lag luam. thiab ua ntej enterprise ntau lawm zog.
Txhawm rau daws cov teeb meem saum toj no ntawm lub feeder, tus tshiab tsis siv neeg pub pub noj yog kho los ntawm cov txheej txheem hauv qab no: kev pub noj tsis siv neeg, suav nrog kev txhawb nqa lub cev, pub qauv, kab oscillator, sab pem hauv ntej kis qauv, ib feem grasping qauv, rov qab qauv, rear seem kev sib kis qauv, nrhiav kom tau cov qauv, ob peb pab pawg ntawm tsis siv neeg tshem tawm cov qauv thiab cov khoom sau qauv, linear oscillator, pem hauv ntej seem kis qauv Ib feem gripping qauv, ib tug rear seem conveying qauv, ib tug nrhiav kom tau cov qauv, ib tug tsis siv neeg tshem tawm qauv thiab cov khoom sau qauv yog tag nrho cov txheej txheem ntawm lub cev txhawb nqa.
