It is the layer that defines the Actual physical qualities with the transmission medium, including voltage ranges, bit rates, connectors and cables. What's more, it handles the transmission and reception of bits in excess of the medium. 1st points first: make certain your massage therapist’s got their paperwork so as. https://byd37035.p2blogs.com/35327404/the-definitive-guide-to-outcall-massage-therapy-near-me