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.
Plant Hardiness Zones. Plant hardiness zones help gardeners understand which plants will most likely survive at a location. It is important that your plants can thrive year-round, surviving extreme temperatures. Note: Zone maps do have shortfalls; if the information is inaccurate, you may live in a microclimate.lant Hardiness Zones. Plant hardiness zones help gardeners understand which plants will most likely survive at a location. It is important that your plants can thrive year-round, surviving extreme temperatures. Note: Zone maps do have shortfalls; if the information is inaccurate, you may live in a microclimate.