Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE). General requirements and performance characteristics— 30 стр.
BS EN ISO 10111. Metallic and other inorganic coatings. Measurement of mass per unit area. Review of gravimetric and chemical analysis methods— 17 стр.
Reciprocating internal combustion engines. Exhaust emission measurement. Steady-state and transient test cycles for different engine applications— 248 стр.