ANSWERS TO PRACTICE EXERCISE
1.
None
Lesson 4, LE 1, para 2
2.
Quarterly
Lesson 4, LE 2, para 3
3.
Quarterly
Lesson 4, LE 1, fig. 4-1 item 6
4.
Monthly
Lesson 4, LE 1, fig. 4-1, item 2
5.
Fine sandpaper
Lesson 4, LE 2, para 4
72
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