First :Have a look at this file for more information about light use also your text book and note.
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First:See your text book،see the PDF file below
Description :
objectives
Work Plan:
Activity:
Material:
Description:
Objectives:
objectives for this chapter are the following:
work plan:
The work plan for this chapter will be as follow
Activity:
Materials:
Description:
Objectives:
objectives for this chapter are the following:
work plan:
The work plan for this chapter will be as follow
Activity:
Materials: