A clear difference in HFCWO devices. Since therapies can be effective only when patients comply with them, the SmartVestÂ® Airway Clearance System from Electromed stands apart among high frequency chest wall oscillation (HFCWO) devices.
The 2012 USDA Plant Hardiness Zone Map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location. The map is based on the average annual minimum winter temperature, divided into 10-degree F zones.
The new version of the plant hardiness zone map includes 13 zones representing 10-degree Fahrenheit bands, further divided into 5-degree A and B bands. Zones 12 and 13, representing average low temperatures of 50-60 and 60-70 degrees, respectively, are new to the 2012 map.