The mineral deposits that are hidden in the earth and their excavation requires much labour such as gold, silver, oil, gas, etc.
Al-waqf al-‘amm
Al-dhira al-Umariyah
Al-bai‘ al-nafidh
Nazir al-awqaf
Rate of Mudarabah
Bai‘ al-fuduli
Islamic Trust Funding
Al-rahn bil darak
Haqq al-ibad
Sadaqah al-sawa’im
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