(eg. 60 watts, a typical rating for an incandescent light bulb; or 13 watts, the rating for a compact fluorescent light bulb with light output comparable to a traditional 60 watt light bulb.). Ad.
What is RO? Reverse Osmosis (RO) is the process to have clean and pure water through a permeable or semi-permeable membrane. In Reverse Osmosis, pressure is used to force a solution through membrane. The solute remains on the one side and the solvent passes through the membrane to other side.
REO stands for  real estate owned and typically refers to the inventory of real estate that banks and mortgage companies have foreclosed on and subsequently purchased through the foreclosure auction if there was no offer higher than the minimum bid.