Decal nh?a lo?i trong su?t ???c s? d?ng nhi?u ?? in ?n logo qu?ng bá th??ng Hello?u ??n ng??i dùng. ??c bi?t ???c s? d?ng nhi?u ?? in logo công ty dán lên s?n ph?m, t?ng ?? nh?n biêt th??ng Hello?u và d? qu?n lý s?n ph?m h?n.Saturation Stage-The point at which very good electron emission in the gun is realized with out shortening the filame