Added specialty stores:

Paint Store
Stove Store

Now it's possible to start a hardware shop, with more than Hand Tools, Power Tools and Car Parts.
Added 15 new items to the Tools & Materials section.

Table:
Paint
Mail Boxes
Sinks
Portable Work Light

Shelf:
Paint Brushes
Fittings
Screw Packs
Bulbs (Same as from household goods, just with bulbs only)

Pallet:
Sawn Timber
Wooden Floor
Wooden Door
Wooden Windows
Gas Grill
Wood-Burning Stove

Cloth Rack:
Safety Vests

I will add more items later.