Complex sentence: Milk from farms in Swaledale is collected and, in the first stage of the cheesemaking process, heated to 28 ° C and microbiological culture, after being left for two hours rennet is added to the milk.
Split into simpler sentences: Milk from farms in Swaledale is collected and, in the first stage of the cheesemaking process, heated to 28 ° C with microbiological culture. After being left for two hours rennet is added to the milk.