Sut mae Asiant Gwrth-ewyn yn Rheoli Ewyn ar y Rhyngwyneb
How Antifoaming Agent Control Foam at the Interface An antifoaming agent only works if the liquid does not fully accept it. That sounds backwards until you watch a foam film instead of a finished can.… Sut mae Asiant Gwrth-ewyn yn Rheoli Ewyn ar y Rhyngwyneb