#mechanicsUnmoderated tagAll postsTrending CommunitiesWorldmappinHIVE CN 中文社区SplinterlandsActifitHive FoodPhotography LoversGEMSSnapsScrobble.lifeHive LearnersEcencyBlack And WhiteExplore Communities...#mechanicsTrendingHotNewPayoutsMutedeolianpariah2 (72)in Black And White • 4 days agoentry monomad challengethe original cement dam at Tunhovdfjorden i Norway completed in 1920 had mechanical gear works to regulate the sluice gates. the dam was rebuilt in the 1960s as
