Here are some useful hotlinks for things discussed on the September 21, 2016 WebTogether Consumer Broadcast. For details on upcoming broadcasts click here.
Taping Drywall Joints -- Lights, Shadows and Paint :
http://joneakes.com/learning-curve/41-drywall-light-shadows-and-paint
Applying Compound:
http://www.joneakes.com/learning-curve/40-drywall-applying-compound#
Is your oil tank safe:
http://www.joneakes.com/jons-fixit-database/1908-How-to-check-if-your-furnace-oil-tank-is-safe
Building wheelchair ramps:
http://www.joneakes.com/jons-fixit-database/keyword-filter?utf8=%E2%9C%93&keywords%5B%5D=Ramp
Tile step profiles:
Aluminum Wiring:
http://www.joneakes.com/jons-fixit-database/1183-Aluminum-to-Copper-electrical-connectors
and for the chat question about using an old aluminum circuit pannel with new copper wiring, I had speculated that it should work -- but when I talked to my electrical expert he said that anything that old should be replaced: see the bottom of this article for his full and wise comments:
http://joneakes.com/jons-fixit-database/1263-Still-worried-about-Aluminum-wiring
Fresh air in a closed bedroom:
http://www.joneakes.com/jons-fixit-database/887-WHAT-IS-AN-AIR-TO-AIR-HEAT-EXCHANGER-HRV-and-ERV