Prinsip knowledge:

A ye tɛ̈n yenë kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye kɔc ye Ka tɛmɛ ultrasonic radiation ye, a kɛ sababu ye bɛ̈ɛ̈i kɔ̈k tɔ̈u yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen yen A bɛ kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈

Luɔi:

Luɔi ye luɔɔi: Electronic Workshop, Mining Industry, Laboratory, Hospital, Glass Store, Jewelry Store, Clock Store, Mobile Phone Repair Store, Office and Home etc.
Kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ ye kɔɔrɔ