This document discusses drawings for parts of a gas burner project including a guide bushing and drawings for 20 parts. It references line drawings, a front case, and the project and part names CCBKD.

2. 
line MA
drawing part
20 drawing
part part
drawing

3. CCBKD Guide Bushing

4. drawing

5. CCBKD

6. line
case front

7. Project Gas Burner