2. A spherical tank contains 100 kg of Hydrogen at 15 MPa and 40°C, find the volume and diameter of the tank. [^

15.16. Files & More (F&M), a manufacturer of office equipment, is introducing a new product, the BUNGEE desk chair, made from elastic webbing that provides both comfort and support. The materials that go into the chair are shown below.     a. Construct a product structure diagram that reflects how the product is assembled.     b. Convert the product structure diagram into a multilevel indented bill of material.     c. F&M is trying to decide how much of the chair to assemble for the customer prior to shipping. Recommend a preassembly strategy that would allow easy assembly for the customer, and document it with a revised multilevel indented bill of material.

Scissors are like a double-lever system. Which of the simple machines is most analogous to scissors?

what are the planning levels and their importance?