The Sample Mill (SAM) is a laboratory scaled pulverizer with a small production capacity and available for GMP applications. Desk-top type or a stand alone type is available. It is easy to disassemble and clean inside of the milling parts. The NARA Sample Mill (SAM) can also be utilized as Nebulasizer (NS) just by changing the specified parts. Contamination of foreign materials is prevented by the air seal of the shaft sealing part. It is mounted with a compressor, therefore it is ready to use by just connecting electric power.