Kev Piav Qhia Luv:

Muaj peev xwm ua kom sov zoo dua, nws feem ntau yog siv los ua lub qhov hloov tseem ceeb rau ob qho tib si

lub thawv rau khoom siv hluav taws xob sib dhos, thiab lub thawv rau teeb pom kev zoo, thiab rau

contral ntau yam motors thiab me me fais fab khoom siv zoo li, nws tsis muaj nuj nqi

ntawm kev tiv thaiv ntawm overload luv-circuit.