How do you complete grow farm?

How to complete Grow Valley1:Design Systems(The picture of the compass)

2:Architectual Systems(The picture of a pick axe)

3:Electricity and Electronic information System(The picture of a micro chip)

4:Mechanical System(The picture of a blue Gear)

5:Mathmaticle chemistry System(The picture of a Magnafing glass)

6:Matters/Chemical System(The picture of a chemistry

7:Life sciences System(The picture of a heart)

Use in this order on grow valley and you will complete it with no trouble, You can find grow vally on many sites, Such as Lapoo & Flonga

By Essie999