Sled dog the decline of the working sled dog. Recreational mushing came into place to maintain the tradition of dog mushing. The desire for larger, stronger, load-pulling dogs changed to one for faster dogs with high endurance used in racing, which caused the dogs to become lighter than they were historically. Americans then began to import Siberian Huskies to increase the speed of their own dogs, presenting "a direct contrast to the idea that Russian traders sought heavier draft-type sled dogs from the Interior regions of Alaska and the Yukon less than a century earlier to increase the hauling capacity of their
Work Is a Four-Letter Word and his fiancee Betty Dorrick (Black) wants him to settle down. Accordingly, Brose seeks a job in DICE's boiler-room, a suitable environment to grow his mushrooms. The plot describes his attempts to get the job, and the conflicts with middle-management, including the personnel manager, Mrs Murray (Spriggs, in her first film role). Having obtained it, Brose is more interested in his mushrooms than tending the boiler, with unforeseen results including a major power cut. The boiler room contains a computer (for some reason), which towards the end of the film is also breaking down. Brose eventually marries Betty, but is