إذا كنت تقوم ببناء أو تركيب أو إصلاح أي هيكل دائم، فيجب أن يحتفظ هذا الهيكل بصلابته [...]

In a professional context it often happens that private or corporate clients corder a publication to be made and presented with the actual content [...]

In a professional context it often happens that private or corporate clients corder a publication to be made and presented with the actual content [...]