Zawisza Czarny (ship) Association, ZHP and its home harbor is Gdynia. The rig is one of a very rare kind. The three masts are rigged as a wishbone ketch. Only a few sailing vessels are using it today and it is mainly seen on smaller units. Zawisza Czarny (ship) Zawisza Czarny is the name of two Polish sailing-ships owned by the Polish Scouting and Guiding Association, ZHP. Zawsisza Czarny used to be a fishing vessel. After that use it was rebuilt to become a sailing vessel. Three masts were fitted on it and the motor that was built in was an old motor
Radio masts and towers for research to find ways to minimize the hazard that communications towers can pose to birds. There have also been instances of rare birds nesting in cell towers and thereby preventing repair work due to legislation intended to protect them. Since June 2010, Telecom operators in the USA can erect new telecom masts or towers as the government has lifted the moratorium, which was earlier placed on the issuance of permits for the construction of telecommunication towers. Radio masts and towers Radio masts and towers are, typically, tall structures designed to support antennas (also known as aerials) for telecommunications and