16 Printed publications, namely, books in the fields of usability engineering, document engineering, industrial engineering, workplace safety, operational policies and procedures, compliance, technical writing, conflict management and negotiation strategies; printed publications, namely, training course materials in the fields of usability engineering, document engineering, industrial engineering, workplace safety, operational policies and procedures, compliance, technical writing, conflict management and negotiation strategies; reference books in the field of usability engineering, document engineering, industrial engineering, workplace safety, operational policies and procedures, compliance, technical writing, conflict management and negotiation strategies; educational books in the fields of usability engineering, document engineering, industrial engineering, workplace safety, operational policies and procedures, compliance, technical writing, conflict management and negotiation strategies