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mension Lines: Lines that are used to show distance. ? Arrows are drawn on the ends to show where the dimension line starts and ends. ? The actual distance is usually located in the middle of this line to let you know the distance being municated. Line Conventions Extension Line Extension Line ? Extension Lines: Lines used to show where a dimension starts and stops on an object. ? Used with dimension lines to properly dimension an object. ? The line is 1/16” away from the part as to not get confused with the object lines. Line Conventions LongBreak Line ? LongBreak Lines: Used to shorten very long objects that do n