Products intended to provide instruction that improves a person's capacity and performance of physical, mental and social activities with the goal of enhancing the person’s participation in all relevant domains (such as communication, self-care, mobility, housekeeping, work, education, and recreation). Included are, e.g. assistive products used in education/learning. Included are, e.g. assessment, test and evaluation materials. Devices that have a function other than training, but that may also be used for training, should be included in the class covering its principal function. Assistive products for vocational assessment and vocational training, see >28 27

Assistive products designed to enhance the abilities that underlie reasoning and logical. activities, e.g. memory, attention, concentration, conceptual and applied thinking. Assistive products for communication and information management, see >22