As with most jobs, salaries vary by location and experience. The  average salary in the US for pipeline welders in 2014 is $64,778;  the average (for the same time period) i â¦ n San Francisco is $74,857.  [source link attached]. + 2 others found this useful.he  average salary in the US for pipeline welders in 2014 is $64,778;  the average (for the same time period) i â¦ n San Francisco is $74,857.
Certainly more than 30 percent of Limaâs population lives in slums; two slums alone contain more than 3 million people, San Juan and Cono Sur (Davis, Planet of Slums).
Lima the 16th most populated City in the World. Lima ranks as the 16th most populated city in the world. The population of Lima's 43 districts was counted at the last census in 2007 at 7,605,742 citizens living on an area of only 2672.2 kmÂ². In 1535 Lima had only around 250 citizens.