In nhãn s?n ph?m có r?t nhi?u ph??ng pháp ???c s? d?ng th?c t? trong ?ó in offset và in k? thu?t s? là ?ng d?ng ph? bi?n h?n. The impression can be manipulated by altering the voltage from the gun to accelerate or decrease the pace of electrons together with modifying the electromagnetic wavelength by using the solenoids.Khi ?i?n tho?i ???c