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.
Although the new hardiness zone map is a useful tool, don't rely on it too much when selecting plants for your landscape. Consider each potential plant's native habitat. A perennial that is adapted to sunny desert conditions will have a tough time in a cloudy, wet climate, even if it's the right hardiness zone.