This document contains numbers and letters with no clear context or meaning. It includes a title mentioning a university and dates but provides no other information to understand its purpose or content in a concise summary.

1. 16
8
20
15 16 20
C
2 31 4
B
A
D
E
F
MULATU
DRAWING NUMBER DEBREMARKOS UNIVERSITY3
DRILL BUSH/GIDE BUSH/
CHKD BY
13/05/2010
DATE TITLE