1.suitableable rau cov ntaub ntawv nplaum. Tsis siv neeg siab tsis siv neeg.
2. Kev ntsuas cov ntaub ntawv stably, quab yuam thiab tusyees los ntawm kev co thiab kev sib hloov. Tsis muaj cov ntaub ntawv ceeb toom (yeem).
3. Amplitude Adjustable los tswj kev ntws.
4.electromagnet hom ntxiv rau cov neeg kho tshuab kev co kaw, cov qauv yooj yim, yooj yim thiab yooj yim installation thiab txij nkawm.
5. Insimple cov qauv txuas rau nruab thiab tswj hwm, cov nqi kho mob tsawg, lub neej ntev.