BS EN 62841-3-12:2019 Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety Particular requirements for transportable threading machines

Screwdrivers
Equipment safety
Portable machine tools
Electrically-operated devices
Battery-powered devices
Safety measures
Machine tools
Performance testing
Electrical safety
Wrenches
Electric motors

Link: BS EN 62841-3-12:2019 Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery. Safety Particular requirements for transportable threading machines
Source: BSI Standards

BS ISO 17089-1:2019 Measurement of fluid flow in closed conduits. Ultrasonic meters for gas Meters for custody transfer and allocation measurement

Volume flowmeters
Gas-supply meters
Conduits (hydraulic)
Measurement characteristics
Flow measurement
Errors
Ultrasonic devices
Ultrasonics
Pipes
Flow
Gases
Air
Flowmeters
Natural gas
Gas flow

Link: BS ISO 17089-1:2019 Measurement of fluid flow in closed conduits. Ultrasonic meters for gas Meters for custody transfer and allocation measurement
Source: BSI Standards