Stainless steel, which is made of solid and thick material, can be used without any warping even under vacuum condition.
The digital controller which has the program function is applied so that each user can easily use it according to the desired condition.
Because it is dried by heat conduction in a vacuum state instead of a convection method, the efficiency of the aluminum ladder is improved by adopting a good thermal conductivity.
Using a gauge filled with oil rather than a general gauge with shaking or shaking , accurate pressure measurement is possible with a stable indicator.
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