This document appears to contain technical drawings, including dimensions and radii for various round and curved shapes. Numbers and abbreviations like R5, R30, R60 are included, likely representing radius dimensions. Overall it seems to provide geometric specifications and measurements for mechanical or engineering design work.

1. STUDY CADCAM
http://www.studycadcam.com 3
ApproveDate
Design
Check
Title
CAD Practice Drawings 3
55 15
R7
R12
R30
30
50
R9 R60
R5
40
R45