Reversing any two dimensionswill describe a completely different unit. Using the sameexample stated as 4x8x16 would indicate a unit 4 inches wideand 8 inches high (not 8 inches wide and 4 inches high).
Many water fleas swimming together. The water flea is a microscopic crustacean (around .2-5 mm long) that lives in lakes, ponds, swamps, and streams. The most common kind of water flea is the Daphnia. This little, translucent insect is named for the way it swims.
There are a number of different fleas that have a preference for different species of mammals. Human fleas (Pulex irritans) do not live on humans but prefer to feed on people and pigs when the opportunity arises. However, this type of flea is usually not responsible for flea infestations in the home. It is the cat flea and sometimes the dog flea that more often causes home infestations.