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.
Buy diatomaceous earth (DE) at your local pool supply shop and use it as a complete yard treatment. DE is probably the best natural remedy for getting fleas out of your yard. The substance consists of crushed skeletal remains from organisms, sold in a powder form. DE is often used as a pool filter additive.