Budgetary boats for working on the water. Basic characteristics of those units are flat bottom, low dipping, stability and strong, dureable constraction.
Boats meant to be used on the inland waters. Those units are houseboats with appearance of a yacht. Basic characteristics are functionality of cabin and stability of hull. Extensive inside cabins are fully-equipped,which provides long time of functioning without need to mooring in the marine for re-stocking replenishments.