1. Roy intends to use a seam that is used for joining metals where extra stiffness is needed,such as roofs, air housing, ducts, and so forth. What would you suggest to Roy to use?

A. cap strip B. counter lap
C. lap seam D. standing

2. What word refers to a full-sized drawing of the various surface of an object stretched out on a flat surface?

A. development B. hem
C. pattern D. seam

3. Which of the following words is the most commonly used to reinforce an edge, hide burrs and rough edges, and improve appearance?

A. hem B. seam
C. standing seam D. wired seam