Two other types of xDSL technologies are high-data-rate DSL, known as HDSL, and very high data-rate DSL, known as VDSL. DSL technologies generally use sophisticated modulation schemes to pack data onto copper wires.
We pride ourselves on our no-nonsense warranties, customer service, and an innovative, state-of-the-art production line. The Osprey boresight, for instance, is the leading chamber able system in the industry: and our Osprey rifle scope line is second-to-none in optic quality, durability, and cutting edge-features. Our promise is to continue to provide these top-of-the-line products at affordable prices to you, our discerning customer.
World Sight Day. World Sight Day (WSD) is an annual day of awareness held on the second Thursday of October, to focus global attention on blindness and vision impairment. World Sight Day 2017 is on 12 October 2017. 2017 is the fifth year of the WHO Global Action Plan and IAPB encourages our members and partners to continue with our rolling theme: