The other value will be returned. The formula is as follows: To convert pounds per square inch to kilopascals(PSI to KPA), multiply the PSI value by 6.894757293168361. To convert kilopascals to pounds per square inch(KPA to PSI), multiply the kpa value by .14503773773020923.
Engineering drawing shares some traits with artistic drawing in that both create pictures. But whereas the purpose of artistic drawing is to convey emotion or artistic sensitivity in some way (subjective impressions), the purpose of engineering drawing is to convey information (objective facts).
Drawing Actors and Use Cases. The main purpose of a use case diagram is to show who interacts with your system, and the main goals they achieve with it. Create Actors to represent classes of people, organizations, other systems, software or devices that interact with your system or subsystem.