Complex sentence: A factory was promptly established on a greenfield site at Barnbow, close to Leeds, resembling more a small town of detached houses and huts than a traditional factory, in order to contain and localise any accidental explosions.
Split into simpler sentences: A factory was promptly established on a greenfield site at Barnbow, close to Leeds. It resembled a small town of detached houses and huts more than a traditional factory, in order to contain and localise any accidental explosions.