Someone with short-sightedness can see near objects clearly, but cannot focus properly on distant objects. This is caused by the eyeball being elongated, so that the distance between the lens and the retina is too great.
Cost are dependent on your needs. Generally, radon testing for locations with 20 miles of our office will cost $165. Radon mitigation costs approximately $1,200 to $1,600.
purchasing the manufacturer list price for this safety siren pro series 3 digital radon detector is $ 165 and that is what they sell for if you contact the factory they do not allow the pro series 3 gas detector to be listed for sale to the public for any sale price below $ 129 95 on line or in stores