| Subject | English | Arabic |
| railw., sec.sys. | automatic train protection system | نظام آلي لحماية القطار |
| oil | cathodic protection system pipeline | نظام الوقاية الكاثودية |
| econ. | consumer protection system | نظام حماية المستهلك |
| el.gen. | lightning protection system | نظام الحماية ضد موجات الصواعق |
| wind. | protection system for WTGS | نظام حماية لعنفات أنظمة مولدات الرياح |
| environ. | protection system A series of procedures and devices designed to preserve people, property or the environment from injury or harm | نظام الحماية |
| comp., MS | System Protection | حماية النظام (A Windows technology that protects OS resources (files, folders registry keys) and prevents applications and administrators from making changes to a computer's resources in an arbitrary way) |
| biotechn. | technology protection system TPS | تقنية الإبادة الذاتية |