HATCH: With this you can draw vertical or horizontal hatch patterns in 5 different ways by selecting three pipe lines. In first 2 cases you can do horizontal hatching in 2 different ways. With third you can do vertical hatching. When you select a pipe line, program asks for dimension of this pipe line. It repears for other two pipe lines. It then runs zoom window command and ask you to select window to zoom the area where to write angle. After you write angle, it will zoom to previous view.
With fourth and fifth option, you can draw vertical or horizontal hatch patterns by selecting three pipe lines. After you select each pipe line, program asks for the length to be written as text. After hatch is drawn, program writes length of the three lines. It then runs zoom window command and ask to select window to zoom the area where to write angle. After you write angle, it will zoom to previous view.