‏البيوع : Hadeeth No:3647 Ibn 'Umar (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who bought foodgrain should not sell it until he had taken full possession of it (after measuring it)....

‏الأشربة : Hadeeth No:4944 Jabalah reported: I heard Ibn 'Umar narrating that Allaah's messenger (sallAllaahu alayhi wa sallam) had forbidden (the preparation of Nabidh) in the pitcher besmeared with pitch. I said to him: What is Huntama? He said: It is a pitcher (besmeared with pitch)....