Specification for dimensions of driving tenons and sockets for parallel shank drills and machine reamers Ingestion-build-232773 the use of P numbers

the use of P numbers (which stands for "percentile") may not be clearly understood and as a result

Requirements within right column are requirements for underground workings of the coal mining industry not likely to be endangered by firedamp and for underground workings of non-coal mining industry

comparison/prediction of toxic gas data from different physical fire models required for characterizing the measured production of toxic gases from a laboratory fire test

hub and/or shaft and other associated rotating parts

Specification for dimensions of driving tenons and sockets for parallel shank drills and machine reamers Ingestion-build-232773 the use of P numbers