Learn To Interpret Single Line Diagram (SLD)
http://edudemic.com/wp-content/uploads/2013/06/learningtheories-full.jpg Learning Theories - in the context of children's learning but this can be adapted for adult learning.
A typical industrial single line diagram
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Simple electrical circuit Simple single line diagram
A typical layout of a generating, transmission and distribution network of a large system would be made up of elements as shown by a single-line diagram
solar pv power plant single line diagram - Google Search