TY  - BOOK
ED  - United States.
TI  - Use hammers the safe way
T2  - Its Bulletin,
AV  - TJ1201.H3 U5 1951
U1  - 621.97 
PY  - 1951///]
CY  - [Washington
PB  - U.S. Govt. Print. Off.
KW  - Hammers
KW  - Industrial accidents
ER  -