During installation of main trunking system within a 2 storey building describe two ways in which the fabric and structural integrity of the building can be maintained

Okay,

Obviously this is a homework or test question, you need to do your own study, present us with your answer and then you will get folks to comment on your conclusions.

Next, how in the world is this an appliance question. This is an engineering question.

Are you referring to electrical feeders or telephone trunk cables?

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