A factory trawler was underway and being made ready for fishing. The crew had finished cleaning the factory and were preparing the silage tanks for cleaning. Silage tanks are special compartments that contain unused fish parts that are processed into silage and later pumped ashore (used to make oil and protein concentrate used in feed for farmed fish).
The tanks had last been cleaned about five weeks earlier and there was still silage residue at the bottom of the tanks. Cleaning these tanks...