Complex sentence: These woods are denser then water, fine grain, and high in oils and resins, making them dimensionally stable, hardwearing, rot and insect resistant, and when new, highly fragrant.
Split into simpler sentences: These woods are denser then water, fine grained, and high in oils and resins. These properties make them dimensionally stable, hardwearing, rot and insect resistant, and when new, highly fragrant.