ACTIVITY # 5 Identify the lettered lines used (A-N) to draw the object. Place your answer on your notebook.
VISIBLE LINE- a thick line that represents the visible edges or outline of the object; also known as the object line
HIDDEN LINE- a medium thick line composed of short dashes about 2-3 millimeters long with space between dashes about 1-2 millimeters wide; itt represents the surface or edges that cannot be seen
CENTER LINE- a thin line consisting of two long dashes and short dash drawn alternately with a gap of at least 2 millimeters in between; it represents the axis or center of symmetrical shapes like a ball, washer, rectangular block, cube
SECTION LINE- a thin lines to show the surface that has been cut; they are spaced evenly at 45 degrees with the horizontal to make shaded effect
EXTENSION LINE- a thin line that extends from the object in order to show dimension limits
DIMENSION LINE- a thin line with an arrowhead in one end used to indicate the measurements of the object
LONG BREAK LINE- a medium thick line consisting of broken and straight lines drawn alternately. This is also known as the limiting line. This limits the length of an elongated object without changing the size of its view.
SHORT BREAK LINE- thick line drawn in freehand to show details that a part has been cut off or broken out.