OBJECT OR VISIBLE LINES
• Thick dark line use to show outline of object, visible edges and surfaces.
CONSTRUCTION LINE
• Very light and thin line use to construct layout work
DIMENSION LINE
• Thin and dark lines use to show the size (span) of an object with a numeric value. Usually terminates with arrowheads or tick markings.
HIDDEN LINE
• Short dash lines use to show non visible surfaces. Usually shows as medium thickness.
CENTER LINE
• Long and short dash lines. Usually indicates center of holes, circles and arcs. Line is thin and dark.
EXTENSION LINE
• Thin and dark line use to show the starting and ending of dimension.
CUTTING PLANE LINE
• Extra thick lines use to show cutaway views or plane of projection where a section view is taken. Arrow indicates the direction of view.
SHORT AND LONG BREAK LINES
• Short and long medium line use to show cutaway view of a long section.
LEADER LINE
• Medium line with arrowhead to show notes or label for size or special information about a feature.
PHANTOM LINE
• Long line followed by two short dashes use to show alternate position of a moving part.
SECTION LINE
• Medium lines drawn at 45 degrees use to show interior view of solid areas of cutting plane line.
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Hope it helps, pa-brainliest ty.
I copy-paste my answer on here ^^
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