Detailed Instructions: In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Problem:Multiple Working is the term used in the UK where more than one operational diesel or electric locomotives are coupled together under the control of one driver .
Solution:
On the UK rail network , multiple working is where two or more traction units ( locomotives , diesel multiple-units or electric multiple-units ) are coupled together in such a way that they are all under the control of one driver ( multiple-unit train control ) .