الرسم التخطيطي لآلة طحن الداخلية. the garrett green plastic classifier with the 12 square holes (2 mesh) is a great, inexpensive sieve for the beginning panner, while the stainless steel and plastic classifiers from jobe and pioneer, with multiple mesh size options (2, 4, 8, 12, 20, 30, 50, 70 and 100) offer top