8) What is the name of lines with same distance between them and do not meet while extended?

9) What is the name of thin continuous line terminated at ends by arrow heads, dots or oblique line touching the extension line?

10) What is the name of thin line projecting from the feature and extending beyond dimension line?

11) What is the inclination of oblique strokes in dimensioning in termination and origin indication?

12) What is the name of quadrilateral with four sides are equal and four angles are right angle?