Tomato Sauce with Meat - Salsa con Carne

Steps on how to make tomato sauce with meat which is used in dishes such as manicotti or lasagna; it can also be served over a variety of pasta like gnocchi. San Marzano tomatoes, sausage.
Ingredients:
5 cans (28 oz each) of canned San Marzano tomatoes [4 Kg]
9 oz of fresh Italian sweet sausage [250 g]
1/4 cup of water
3 tbsp of extra virgin olive oil
4 cloves of garlic
1 1/2 tsp of salt +/-