This is the synoptic showing the sequence of Engineering tasks... with some blanks for you to fill !
Make yourself a print at:
https://docs.google.com/open?id=1NCljb-7ytKCDZkwooXm3JXPxyGj7r6XzsUIvNR2dFgml8FPGlWM0hFjm7nLf
Herebelow is the link to the solution... don't look at it before you have tried hard to find it first !!
https://docs.google.com/open?id=0BxBpbhTfKqRBWnlHVFFUME5WZ0k