Fixing my dryer

To summarize a major experience with technology this past week...

Various dryer parts: $45
Dryer vent cleaning kit: $60
Amount of lint removed from vent: 47 cubic feet (approx.)
Days without a working dryer: 7
Used home repair book from the 70's: $2
Satisfaction of not having to call a repairman: priceless

In all toil there is profit, but mere talk tends only to poverty. -Proverbs 14:23

Swiss Cheese Failure: The BP Oil Spill

According to a BBC news article, a new report blames "bad management" for the BP oil spill disaster of last year. However, if you read on the article notes many sources of failure.  You can think of this through the "swiss cheese" model of failure.