sealer:- * مادة لإحكام السد (معجون)، مادة لسد المسام (المعجم الموحد لمصطلحات النفط)
sealer:- an official who affixes a seal to a document (Princeton WordNet 3.1)
sealer:- a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface) (Princeton WordNet 3.1)
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