BS EN IEC 62680-1-7:2019 Universal serial bus interfaces for data and power Common components. USB Audio 3.0 device class definition data formats

Multimedia
Battery-powered devices
Electrical properties and phenomena
Identification methods
Voltage
Audio equipment
Dimensions
Electronic equipment and components
Portable
Electric plugs
Battery chargers
Electric charge
Electric connectors

Link: BS EN IEC 62680-1-7:2019 Universal serial bus interfaces for data and power Common components. USB Audio 3.0 device class definition data formats
Source: BSI Standards

BS ISO 16073-7:2019 Wildland firefighting personal protective equipment. Requirements and test methods Face and eye protection

Performance
Heat-resistant materials
Firefighting
Fire
Firefighting personnel
Performance testing
Thermal resistance
Protective clothing
Face shields
Ergonomics
Eye protectors
Fire tests
Instructions for use
Forests
Marking
Fire resistance

Link: BS ISO 16073-7:2019 Wildland firefighting personal protective equipment. Requirements and test methods Face and eye protection
Source: BSI Standards

BS ISO 10110-8:2019 Optics and photonics. Preparation of drawings for optical elements and systems Surface texture

Engineering drawings
Surfaces
Optical instruments
Texture
Optics
Graphic representation
Spectral density
Technical drawing
Reflection factor
Roughness (surface)
Reflective materials
Smoothness (surface)
Drawings
Surface texture

Link: BS ISO 10110-8:2019 Optics and photonics. Preparation of drawings for optical elements and systems Surface texture
Source: BSI Standards

BS ISO 21106:2019 Railway applications. Recyclability and recoverability calculation method for rolling stock

Interoperability
Harmonics
Braking
Railway vehicles
Electric power systems
Railway fixed equipment
Railway equipment
Compatibility
Short-circuit currents
Test methods
Railway electric traction equipment
Electric substations
Circuit-breakers
Electrical faults

Link: BS ISO 21106:2019 Railway applications. Recyclability and recoverability calculation method for rolling stock
Source: BSI Standards