1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Dehumidifier capacity is generally measured by how many pints of water a unit removes from the air in 24 hours. 2  A mini-dehumidifier (1-10 pints) for a bathroom, closet or under a counter usually costs $40-$70.
Dehumidifiers Electricity Cost Calculator. Dehumidifiers are rated in Watts (W) or Kilowatts (kW) . Look for the energy rating on your dehumidifier (usually displayed on the back of machine) then use our energy calculator to see how much it will cost to run per hour, day or week.Compare dehumidifier prices.based on 12 hours a day using the Average rate of 15.2p/kWh (September 2014 tariff) for a unit of electricity.