Click this link to view O*NET's Tasks section for Heating and Air Conditioning Mechanics and Installers. Note that common tasks are listed toward the top, and less common tasks are listed toward the bottom. According to O*NET,
what are some common tasks Heating and Air Conditioning Mechanics and Installers perform? Check all that apply.
✓ joining pipes or tubing to equipment and to fuel, water, or refrigerant source
* pumping oil from a well into a pipeline for transmission
* overseeing the activities of workers in a hydroelectric power plant
✓ testing pipe, or tubing joints or connections for leaks
✓ reassembling and testing equipment
✓ testing electrical circuits or components
Answer 1,4,5,6

Suppose that the u.s. dollars-mexican pesos exchange rate is fixed by the u.s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs.which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u.s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u.s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u.s. dollars.