For instance, you could kiss your kids on their heads rather than their cheeks for a few days. You could ask your spouse to do bedtime stories and baths for a few nights. But obviously, you canât be so careful in your efforts to prevent germs from spreading that you feel like youâre shunning your kids.
If you grow short plants, you should definitely try LEDs. 1  The first series of costs on the chart represents an electricity cost of $0.12/kwH, or 12 cents per kilowatt hour (a kilowatt hour is 1,000 watts being used for one hour). 2  $0.12/kwH was the US national average cost for electricity in 2011.
LED tennis courts are becoming the preferred solution in areas with high energy costs, like Hawaii where electricity costs between $0.30 and $0.50 /kWh, or on Caribbean islands where power supplies are both limited and expensive, said Access Fixtures CEO, Steven Rothschild. Jan. 7, 2014 /PRNewswire/ -- LED technology is constantly improving in energy efficiency, lumen output and module life while the cost is falling. Progress is enabling tennis court lighting systems to improve while prices fall.