1 Wipe out wok, add 2 teaspoons oil and heat over medium-high heat. 2  Add beef with the marinade and stir-fry to cook, about 5 minutes. 3  Add the water and 1/4 cup soy sauce and bring to a boil while stirring. 4  Add the cooked vegetables to the wok and combine. 5  Pour over the noodles, mix in and garnish with sliced omelette.
The standard size for a toilet drain pipe is 3 inches in diameter, but drains up to 4 inches in diameter are often used. The drain pipe connects to the flange, which mounts the toilet itself, and this flange is usually built to connect to 3-inch, schedule 40 toilet drain pipe.
Portable toilets are large enough for a single occupant, usually about 110 cm (43 in) square by 210 cm (83 in) high. While the units are typically free standing structures, their stability is augmented by the weight of the waste tank, which usually contains an empty liquid disinfectant dispenser and deodorizer.