Aviation Dictionary
پوشش ، صفحه عایق صدا گیر در کابین هواپیما ،پوشش های عایق اطراف لوله های هوا
The method of installing fabric on an aircraft structure in which the fabric is applied in the form of a sheet, or blanket, wrapped around the structure and fastened by sewing or cementing it in place. The other method of installing fabric is the envelope method, in which the fabric is sewed into the form of an envelope and slipped over the structure. The ends are then secured by sewing or cementing.