... thin viscosity , such as eyedrop, injection, CIP liquid, water, etc...top mechancial agitator with propeller impeller, speed at fix ... is mixing syrup, injection, blood, oral liquid, culture media, etc....top mechanical agitator with anchor or frame impeller, ... higher viscosity , such as sediment or viscosity oral liquid, etc....top emusification homogenizer, speed max 2900rpm for small vessel, ...