1 Ntau tshaj 20 xyoo ntawm kev paub hauv induction cua sov kev lag luam.
2 Kev kuaj dawb rau xaiv lub tshuab ua qauv ua ntej yuav khoom.
3 Kev tsim khoom tsim kev tshawb fawb txhim kho thiab tswj hwm los ntawm Duolin Engineer pab pawg, tshuab lub neej kev pabcuam.
4 Kuaj lub tshuab raws li cov neeg siv khoom xav tau cua sov thiab hnub nyoog ntau dua 6 teev los lav qhov zoo.
5 Muab phau ntawv teeb tsa thiab phau ntawv qhia kev daws teeb meem.
6 Siv cov khoom lag luam nto npe Infineon Omron Schneider kom ntseeg tau cov khoom zoo