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.
What's New This edition of the USDA Plant Hardiness Zone Map (PHZM) is GIS (Geographic Information System)-based for the first time. This is also the first USDA PHZM that is specifically designed for the Internet.