Excavation : code of practice for building and engineering work under the Construction Act 1959 /
prepared in the office of the Chief Safety Engineer, Dept. of Labour.
- Wellington, N.Z. : Dept. of Labour, 1970.
- 95 p. : ill., forms ; 19 cm.
- Safety in construction ; no. 5 .
Includes index
TA730 / .N48
Includes index
TA730 / .N48