Selling by counterpoising gold for gold or dirhams for dirhams.
Hamish qadiyah
Al-muljam
Al-bai‘ al-mun‘aqad
Al-qafiz al-hajjaji
Al-tamlik
Al-qiyas
Al-jarah wa al-Iqtina'
Al-rafah
Al-‘amil al-fai’
Al-mauzunat