They operate, maintain or repair geothermal power plants and commercial and residential geothermal heating installations. (googled this for you)
A banking crisis in the 1990s followed by a global recession in 2008
The first answer is correct. Modern technology didn't make production costs higher. In fact, it made them lower. Technology had mostly positive effects on production.
<span>The Congress shall have power to lay and collect taxes on incomes, from whatever source derived, without apportionment among the several States, and without regard to any census or enumeration.</span>
B... The differences between federal and state courts are defined mainly by jurisdiction. ... The only cases state courts are not allowed to hear are lawsuits against the United States and those involving certain specific federal laws: criminal, antitrust, bankruptcy, patent, copyright, and some maritime cases.