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.
Lumber Grades Authority (NLGA). Grading means that each piece of lumber is visually inspected and a grade is. assigned (via a âgrade markâ or âstampâ) depending on a number of characteristics such as slope of grain, size and. location of knots and a number of other visual (appearance) requirements.