... one or both meetings. Troubleshooting Problems That Interfere with Goals Troubleshooting foreseeable and potential problems can be difficult. It requires critical thinking skills to examine the ... proofread, fact-checked, pub- lished, and then selected by a librarian for pur- chase. 4. Finding anything that is not historical or cur- rent. The Internet is a great resource for infor- mation that ... Heat- ing, Refrigerating, and Air-Conditioning Engi- neers 3. www.forestry.ext.edu: educational site about the use of wood in home heating units 4. www.electricfurnaceswebe.com: retailer of elec-...