This standard BS ISO 7176-9:2009 Wheelchairs is classified in these ICS categories:
11.180.10 Aids and adaptation for moving
This part of ISO 7176 specifies requirements and test methods to determine the effects of rain, dust, condensation and the effects of changes of temperature on the basic functioning of electrically powered wheelchairs, including scooters, intended to carry one person, with a maximum speed not exceeding 15 km/h.
This part of ISO 7176 does not include requirements for resistance to corrosion.