Irregular working hours, safety considerations, layovers and jet lag turned being a commercial airline pilot into the most anxious job within the U.S. in 2011. In 2012, enlisted soldiers and firefighters topped the listing at No. 1 and No. 2,…

It could also be essential to soak some parts in vinegar and scrape others, however be careful not to scratch or gouge something. If the shower head is of the adjustable-spray type, study all of the shifting components rigorously for…