Windmills can be made with a variety of materials. Post mills are made almost entirely of wood. A lightweight wood, like balsa wood, is used for the fan blades and a stronger, heavier wood is used for the rest of the structure. The wood is coated with paint or a resin to protect it from the outside environment.
Employers. The BLS reports that about 90 percent of the 304,080 firefighters employed as of May 2011 worked for municipal and county fire departments. Average wages here were $48,450 a year. The highest pay came from computer systems design companies, where the mean annual salary was $69,280 per year.asics. Firefighters nationwide earned an average salary of $47,720 a year as of May 2011, according to the Bureau of Labor Statistics. The median salary, or halfway point, was $45,420 a year.
My EMS system paid $12â18/hour for EMTs (typically $16) and anywhere from $22â28 for paramedics (EMT-P). The range is based on seniority and if the person has additional responsibilities with the company. Supervisors or preceptors could make +$30/hour.