What type of perspective is used to create architectural and mechanical plans?

Why were staff lines an important improvement to musical notation a. sl indicated rhythm b. sl indicated dynamics c. sl indicated pitch d. sl indicated meter

While fragileworks of art might be best preserved in a locked box, museums routinely display such objects. why do museum professionals feel it is important to share these artifacts?

What consists of electronic components that store instructions ready to be executed and the data needed by those instructions