28. A thick line that represents the visible edges or outline of the object also known as object line

A. Center Line
B. Extension Line
C. Long break Line
D. Visible Line

29. A thin line that extends from the object in order to show dimension limits.

A. Center line
B. Extension Line
C. Long break
D. Visible line

30. which of the following that you should take out unnecessary items and dispose?

A. Seiketsu
B. Seiri
C. Seiso
D. Seiton

31. it means take time to clean up your office space

A. seiketsu
B. seiri
C. seiso
D. seiton​