Complex sentence: Narvik was founded in 1902 as the railhead of the Ofoten Railway ("Ofotbanen") at an ice-free port on the Ofotfjorden to allow the mining corporation LKAB to exports a large supply of iron ore from Kiruna in neighbouring Sweden.
Split into simpler sentences: Narvik was founded in 1902 as the railhead of the Ofoten railway at an ice-free port on the Ofotfjorden. LKAB, the mining corporation, exports a huge supply of iron ore from Kiruna in neighbouring Sweden.