النفطية

In a sentence

• تعتبر الصناعة النفطية من أهم مصادر الدخل الوطني.

  The petroleum industry is considered one of the most important sources of national income.

  Here 'النفطية' describes the industry related to petroleum, acting as an adjective to define its association with petroleum.

• الدول النفطية تعتمد بشكل كبير على تصدير النفط الخام.

  The oil-producing countries depend heavily on exporting crude oil.

  In this sentence, 'النفطية' functions as an adjective qualifying the countries as those associated with or producing a significant amount of oil.

• الأزمة النفطية أثرت على الاقتصاد العالمي.

  The petroleum crisis impacted the global economy.

  Here, 'النفطية' is used to describe the crisis as one pertaining to petroleum, highlighting its nature and domain of influence.