The telephone wires that lead from your home to the homes of friend, relatives, and even strangers are all covered by a thick, protective tube that insulates them from damage. This tube helps eliminate damage from things like water, birds feet, bugs, dirt, weather, tree branches, and other potential interruptions in communication. In the human neuron, the same sort of protection is provided by the .

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t

The correct answer is connotation.