Phylum Platyhelminthes. 1. The Phylum Platyhelminthes (flatworms) includes planarians (Class Turbellaria), tapeworms (Class Cestoda), and flukes (Class Trematoda). The planarians are harmless, free-living flatworms. They live in an aquatic environment (freshwater or marine) or on moist soil.
6x12 Utility Trailer Rental. with Ramp. Almost identical to the 6x12 utility trailers, the largest utility trailer U-Haul offers has a 57-inch fold-down ramp to easily load your cargo. Utilizing the ramp loading features, many individuals use the 6x12 utility trailer as a motorcycle trailer as well. EZ-load loading ramp.
Quick Answer. Technically, the average length of a tractor trailer is 50 feet and 6 inches. However, this is due to the fact that there are two standardized lengths of trailer.