Sato employs a in the original PDF: the left column shows the incorrect drawing (with X marks), and the right column shows the correct JIS-compliant drawing. This “error-based learning” is highly effective for visual learners.

The chapter begins with the correct representation of (bantalan luncur) and ball/roller bearings (bantalan gelinding). Sato emphasizes:

The phrase "takeshi sato menggambar mesin pdf 12" likely refers to the widely used technical textbook " Menggambar Mesin Menurut Standar ISO

: It introduces the fundamental equipment—from standardized paper sizes to specific pencils and rulers—emphasizing that discipline in using these tools is the first step toward professional competency.

Good luck with your drawing, and may your garis sumbu always be perpendicular!