Computer software; simulation tool software; documentation and instruction manuals recorded on machine-readable media, related to computers or computer programmes; all the foregoing being for or in relation to hydromechanics computations used by oil and gas companies and chemical process chemistry companies, but excluding software for or in relation to the field of electronic design automation

Instructional and teaching material (except apparatus); manuals and handbooks for or in relation to hydromechanics computation software used by oil and gas companies and chemical process chemistry companies