sentences:  This caused Malmfart's ships to become too small and the shipping company sold the three vessels between 1970 and 1972.The company did not purchase any new ships, but remained a registered company until 1980.A new workshop at Bjørnevatn was completed in 1973 and the following year a new silo opened at Bjørnevatn, which also allowed for separating out ore with low iron content.