The recommended level of free available chlorine to keep in your pool is between 1.0. and 3.0 ppm or parts per million. For spas, the recommended level of free available. chlorine is between 1.50 and 3.0 ppm. (For the definition of parts per million and other pool- and spa-related terms, see the.
The tiny filtering units of kidney are the nephrons.there are millions of them in our body.they contain a number of network of tubes, cells and canals specialised in transmittâ¦ingThe kidney is responsible for maintaining fluid balance within the body. The basic structural and functional units of the kidneys are the nephrons.
The T1 Data Service Unit/Channel Service Unit (DSU/CSU) WAN Interface Card (WIC) is an integrated, fully managed DSU/CSU for T1 or fractional T1 service. Cisco 1600, 1700, 2600 and 3600 series routers support the T1 CSU/DSU WIC, which provides a cost-effective router-DSU/CSU combination with these benefits of integration: