الرسم من آلة طحن . The Garrett green plastic classifier with the 1/2" 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 of the line quality and durability for …