The development of a concept of an unmanned glider-tug and cargo unmanned aerial vehicle with electric drive Abstract: The article presents a few selected ideas for AUV usage which are being developed in Poland as well as the description of a project of an unmanned tug. a new technological solution which was submitted to the Patent Office in December 2017 and which has been being deve... https://poolsproductscanadas.shop/product-category/pentair-magicbowl-parts/