What do these changes mean for the future of chamber music? With the technological advances have come questions of aesthetics and sociological changes in music, writes analyst Baron.
Grades to leather are given by either the manufacturer OR the store that is selling it. If the manufacturer has applied a grading system, they are using the numbers/letters to tell you either a) what type of leather was used or b) how the leather was finished or a combination of the two.
Use marine-grade vinyl fabrics to make outdoor cushions. Vinyl upholstery fabrics come in different grades, but this grade does not reflect fabric quality; it refers to the price it cost to make the fabric. You cannot find consistency in the vinyl fabric grading process, because each manufacturer sets its own grades.