An under ice crawler lowerable into a body of water through a hole in a layer of ice overtop is operable to extend a flexible line within the body of water between two points spaced along the ice. Neo acid esters are made by contacting a neo acid stream, comprising a mixture of neo acids, with alcohol in the presence of a catalyst. If a column or row is declaratively designated as dynamic, it can be expanded into a plurality of columns or rows. The creator-side apparatus sends data containing the address to the network to which an orderer-side apparatus is connected such that the orderer-side apparatus accepts connection to the location.