This Handbook comprises an illustrated plain English field guide intended for both the training of, and use in the field by, junior supervisory personnel involved in bituminous surfacing works including prepartory work and the protection of completed wor
HB 81.6-1998 history
2013SY/T 5377-2013 Specifications for drilling fluid testing instruments
1970HB 81.6-1998 Field guide for traffic control at works on roads - Bituminous surfacing works
HB 81.6-1998 Field guide for traffic control at works on roads - Bituminous surfacing works was changed to SY/T 5377-2013 Specifications for drilling fluid testing instruments.