Complex sentence: By the 1600's there was quite a lot of livestock in Våler, and as the technology improved, also the forestry became more and more important in the widespread forests along the many rivers and lakes in the area.
Split into simpler sentences: By the 1600's there was quite a lot of livestock in Våler. As the technology improved, the forestry became more and more important in the forests along the many rivers and lakes in the area.