In a contract of sale, hiding defects of a commodity from its potential buyers.
Al-bai‘ al-madmun
Riba al-ajlan
Wasiyyah
Parallel Salam
Al-tamassuk
Ilm al-iqtisad al-Islami
Revenue Sharing Bonds
Al-bai‘ al-nafidh
Shirkah al-jabr
Al-’ard al-khassah