42 Recovery of computer data; conversion and encryption of data, not physical conversion of documents, programs and computer files in connection with the organisation, maintenance, storage, management and preservation of data and information; technical support, namely, providing computer back-up programs and installations for personal computers, laptops, desktop computers and servers; providing information and assistance relating to the providing of data and computer software; reconstruction and recovery of computer database, data files and files and documents; design and development of computer hardware and software; design of computer programs; design and development of computer software and programming for storing, archiving, reproduction, recording, capture, reading, printing, processing, display and transmission of data and information; design and development of computer programs, software, encryption techniques and appropriate technical and organizational measures of all kinds for storing, backing up and securing data and information; design and development of computer software for archiving, storing, encrypting, timestamping and certifying data and information; consultancy concerning computers; conversion of data and computer programs other than physical conversion; conversion of data and documents from physical to electronic media ; computer programming; rental of computer software; consultancy in the field of computer data, computer systems ; protection of information into computer databases, namely, data encryption of information in computer databases; data protection, namely, data encryption services