"Useless," Kenji grunted. "We need high quality. We need to see the line weights. We need to see if the symbol is a 'position' or a 'concentricity' tolerance. In JIS B 0024, the distinction is subtle but legally binding."
Official, high-quality versions of this standard are typically available through authorized standards organizations and technical bookstores: Japanese Standards Association (JSA) jis b 0024 pdf high quality
(Superseded): The original version focusing on "Fundamental Tolerancing Principles." It is still widely cited in older technical drawings. Where to Find High-Quality PDF Copies "Useless," Kenji grunted