Complex sentence: The company AB Volvo had no activities until 10 August 1926, after one year of preparations involving the production of ten prototypes, was set up to carry out the car-manufacturing business within the SKF group.
Split into simpler sentences: The company AB Volvo had no activities until 10 August 1926. After one year of preparations involving the production of ten prototypes, was set up to carry out the car-manufacturing business within the SKF group.