In this video I make a birch plywood shelving unit to sit behind the mirror doors of our bathroom cabinet. I cut housing grooves (dados) and rebates (rabbets) for the joinery using the table saw.
Grooving blade: https://amzn.to/2N4MnSl (UK) please note, this fits my table saw which has a 30mm arbour bore - adapter rings and other blade sizes are available too