Tham khảo tài liệu 'advanced biomedical engineering part 15', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Legislation Standardization and Technological Solutions for Enhancing e-Accessibility in e-Health 271 The aids provided by specific technological requirements for people with disabilities are classified according to the logic of the operation alternatives to allow replacement of a methodology or tool method or tool alternatives that can be used by the subject enhancement to supplement the shortage of functional resources in subjects to perform an action or to enhance the low productivity of these and substitutes to allow the replacement of an absent or damaged functionality in the subject by another which the subject does have 25 . This section will present and discuss the recommended technology requirements for each type of disability Psycho-cognitive diversity and ageing people providing solutions to the difficulties people have in learning and understanding abstract or complex concepts the establishment of relationships between concepts carrying out tasks with complex structures the use of short term memory interpretation and memorization of long sequences of operations the ability of understanding of language etc. These include many resources of the ICT environment environment control safety control telemedicine telecommuting distance education and training adapted jobs etc. Physical diversity incorporating solutions to issues related to mobility and manipulation including mobility and transportation hygiene and personal care household tasks computer access support for autonomy etc. Sensory diversity very different solutions that target visual diversity including mobility aids reading aids writing aids and hearing diversity personal communication telephony communication in general etc. There is great awareness in companies about new developments conforming to the standards that establish guidelines to implement the idea of design for all 26 . The general objective is to develop technologies for building channels of communication and interaction between people .