What is a miter line used for?

Which is the lowest potential point in circuit for nodal analysis? What is the importance of diode? What phase of an SDLC is usually the most expensive? Algorithm to arrange three numbers in ascending order using else if ladder? Must re-bar or other reinforcement be used in building concrete driveway? What can replace for 2N3904 transistor? Where is nanotechnology in the real world? How many location can be accessed by 8085 microprocessor? What type of current is induced in a dc generator when magnets are rotated? What Supplies were used on the mayflower? What is good welding and bad welding? What advantages do synthetic fibers have over silk? A man lives on the 40th floor of a building every morning he goes down the elevator to go to work after work he goes half way up the elevator and takes the stairs unless its raining why? What does felv mean in a transformer? Who invented water power generators? What is mean by technical activity? When is steel used as an electrical conductor? Have there ever been any genetic experiments in medicine with positive results? Is the development of nanotechnology beneficial? What is an undeclared identifier?