The quantity of oil workers in Texas.

  Predict how each of the following events will increase or decrease the quantity of oil workers in Texas.   New oil-drilling equipment is invented that is cheap and requires few workers to run will, this will quantity of oil workers in Texas Several major companies that do not drill oil open factories in Texas, offering many well-paid jobs outside the oil industry this will quantity of oil workers in Texas Government imposes costly new regulations to make oil-drilling a safer job, this will quantity of oil workers in Texas