BS EN ISO 20557-2:2018 Plastics. Poly(phenylene ether) (PPE) moulding and extrusion materials Preparation of test specimen and determination of properties

Thermal testing
Plastics
Thermoplastic polymers
Mechanical testing
Test specimens
Testing conditions
Electrical testing
Extruding
Specimen preparation
Polyphenylene
Moulding (process)
Physical property measurement
Moulded materials

Link: BS EN ISO 20557-2:2018 Plastics. Poly(phenylene ether) (PPE) moulding and extrusion materials Preparation of test specimen and determination of properties
Source: BSI Standards

BS ISO/IEC 30140-4:2018 Information technology. Underwater Acoustic Sensor Network (UWASN) Interoperability

Acoustic engineering
Acoustic properties and phenomena
Physics
Noise (environmental)
Underwater
Audibility
Acoustics
Hydroacoustics
Sonic testing
Acoustic measurement
Acoustic waves
Acoustic variables control
Acoustic testing
Ultrasonics
Below

Link: BS ISO/IEC 30140-4:2018 Information technology. Underwater Acoustic Sensor Network (UWASN) Interoperability
Source: BSI Standards

BS ISO/IEC 30140-3:2018 Information technology. Underwater acoustic sensor network (UWASN) Entities and interface

Noise (environmental)
Acoustic testing
Acoustic variables control
Hydroacoustics
Physics
Underwater
Acoustic waves
Acoustic engineering
Acoustic measurement
Below
Sonic testing
Ultrasonics
Acoustics
Audibility
Acoustic properties and phenomena

Link: BS ISO/IEC 30140-3:2018 Information technology. Underwater acoustic sensor network (UWASN) Entities and interface
Source: BSI Standards