All-dielectric self-supporting (ADSS) cable is a type of that is strong enough to support itself between structures without using conductive metal elements. It is used by companies as a communications medium, installed along existing overhead transmission lines and often sharing the same support structures as the electrical conductors. ADSS is an alternative to and with lower installation cost. The cables are designed to be s.
One of the first geographers to mention Central Asia as a distinct region of the world was. The borders of Central Asia are subject to multiple definitions. Historically, political geography and culture have been two significant parameters widely used in scholarly definitions of Central Asia. Humboldt's definition comprised every country between 5° North and 5° South of the latitude 44.5°N. Hum.