النتائج (
الإنجليزية) 2:
[نسخ]نسخ!
- 2. safety measures to be taken when the direct implementation of the project
and design engineer duties, the duties of the contractor, signals, indicators and badges and traffic barriers, safety signs, indicators, warning signals, traffic barriers
يجري ترجمتها، يرجى الانتظار ..
