การกำจัดขน และวิธีกำจัดขนคืออะไร..ไปดูเฉลยกัน A laser diode is really a semiconductor product that transmits coherent and highly concentrated gentle by way of a course of action termed stimulated emission. It comprises a p-n junction, where by electrons and holes combine, releasing energy as photons. Solitary-method laser diodes: These Use a slim Energetic https://franko318yac8.wikijournalist.com/user