pasagot po, kailangan ko na po ngayon e

I will just tell which parts you should color with blue, red and yellow.
[tex]\large\bold\blue{\tt{Blue\:(Mechanical):}}[/tex]
[tex]\large\bold\red{\tt{Red\:(Magnifying):}}[/tex]
[tex]\large\bold\orange{\tt{Yellow\:(Illuminating):}}[/tex]