Liner shipping with all its specific features plays an importantrole in the economic development of a country whose portsare involved. In the strategic goals of maritime policy for the period2005-2009 the European Commission stresses the needfor a sustainable environmental development and economicgrowth. Besides. it points out the necessity for the fulfilment ofall maritime potentials. https://fitnessgravesyardes.shop/product-category/crank-arm-assembly/