And demonstrating that gentle is not a wave. Photons are discreet intermittent emissions that have a responsibility cycle, not a wave frequency. Máy b?m d?u nh?t inox b?ng ?i?n là lo?i thi?t b? chuyên d?ng ???c thi?t k? nh?m ?áp ?ng nhu c?u b?m, chuy?n và l?u tr?