Complex sentence: HMS Hood was built to an early standard and suffered a magazine explosion allowed by poor deck armour and a tilt of the ship towards Bismarck in her final turn exposing the deck when she made ready to unmask her rear battery.
Split into simpler sentences: HMS Hood was built to an early standard and suffered a magazine explosion allowed by poor deck armour. A tilt of the ship towards Bismarck in her final turn exposed the deck when she made ready to unmask her rear battery.