Blue colour?
Your turn, DrinaBlue colour?
signs?An easy one:
Science
Construction
Symbols
Something people do, to get a result they need or want.signs?
Equation?Something people do, to get a result they need or want.
Teeny Clue? @Boris Diamond debbila @PushPurrCatPaws Tobermory and anyone else, @Jewely want to take a guess?Not equation. Think of scientific knowledge for practical purposes.
Application?
Engineering?
---------- is necessary to perform any of the above.Experimenting?