Answer:
To find information on assistance that OSHA gives to small businesses, Oscar should use the keywords such as:
<em>OSHA, Business, OSHA Assisstance, Business Assisstance e.t.c.</em>
To expand his search to include OSHA regulations about demolition and fall prevention, he should use the keywords such as:
<em>OSHA Regulation, OSHA Business Regulation, Business fall and Prevention, Business Demolition by OSHA e.t.c</em>
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Explanation:
Whenever you're examining supporting details and combining them with your own knowledge to create meaning, you are simply: Identifying the main idea. Hope that helps.
I believe the answer is the last one.