Original sentence: In 2004, the bulk of the working poor in the United States occupy unskilled and semi-skilled positions in the secondary labor market, predominantly in the service sector.In many cases, members of the working poor work at multiple part-time jobs, which can require in excess of 80 hours of work per week.Often, these part-time jobs require nearly full-time commitment but are classified as "part time" so some benefits, like medical insurance, are not paid by employers.Workers without marketable skills will often face low wages, unpleasant working conditions, and few opportunities to attain skills that would allow them to escape their  situations, especially if leisure time for education, libraries, schools and student loans are unavailable
Edited sentence: Fuel poverty policies can help people to cope with high heating bills in cold climates; budgeting services provided by state or other agencies can help poor people to manage what little they earn; and enlightened social policies designed to protect the vulnerable in society can target welfare to deserving cases.In 2004, the bulk of the working poor occupy unskilled and semi-skilled positions in the secondary labor market, predominantly in the service sector.Labor laws that  ensure that those people who operate in the precarious employment sector are accorded the same rights as citizens in full time employment are required.Often, these part-time jobs require full-time commitment but are classified as "part time" so some benefits, like medical insurance, are not paid by employers.Often, they work at multiple part-time jobs which may require, in total, upwards of 80 hours per week of work.When wage controls such as minimum wages are not set, workers without marketable skills will often face low wages, exploitation, harsh working conditions, and few opportunities to attain skills that would allow them to escape their  situations, especially if leisure time for education, libraries, schools and student loans are unavailable