Graphical symbols for use on detailed maps, plans and geological cross-sections - Representation of magmatic rocks

This British Standard is published in two parts:

users can develop and assess engine air cleaners for improved performance

BS 6715:1991 supersedes BS 6715:1987

all control and safety systems

blends of coals of similar rank

BS EN 1295-1 specifies the requirements for the structural design of water supply pipelines

BS EN 50121‑4 specifies limits for emission and immunity and provides performance criteria for signalling and telecommunications (S&T) apparatus which may interfere with other apparatus inside the railway environment

maximum test load and limit values of deformation

allocation of safety functions to protection layers

ISO 20685‑1 also applies to body-segment scanners (head scanners

— general topics for the product development at the hardware level

by meter and prover