Dairy production/Food:

Cows for milk and meat, milk for cheese, butter, desserts and consumption -> deliver to supermarket settlement. Storing milk in cooling tanks linked to the farm, transporting milk to the cooling tanks of the dairy factory with refrigerated trucks/milk trucks.
Buy cows on world map
Pasture for grass/hay (demarcated piece of land with mower, and threshing machine)
Farm (cows): Import grass/hay, animal feed and water. Export milk, meat, fertilizer and nitrogen dioxide
Milk to dairy: Import milk, glass bottles, plastic packaging. Export cheese, butter, milk and desserts for consumption
Meat to food processor
Making milk bottles from glass
Making plastic packaging butter tub dessert packaging from plastic

Probably should produce a great deal of wastewater. Probably the chicken farm too, come to think of it. Still, it would be fun to make a milk pipeline.