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Floor drain system in bathroom, Korea. A floor drain is a plumbing fixture that is installed in the floor of a structure, mainly designed to remove any standing water near it. They are usually round, but can also be square or rectangular. They usually range from 2 to 12 inches (5.1 to 30.5 cm); most are 4 inches (10 cm) in diameter.
A sewer pipe is normally at neutral air pressure compared to the surrounding atmosphere.When a column of waste water flows through a pipe, it compresses air ahead of it in the system, creating a positive pressure that must be released so it does not push back on the waste stream and downstream traps, slow drainage, and induce potential clogs.
The drastic measure came after an issue with the flooring, which is uneven in every unit above the first floor and, in some cases, even sinks under the weight of normal couches and other furniture.
Rollscreen. This is a relatively new hybrid of the full view and ventilating storm doors. The screen is connected at the top of the storm door's window, and when not in use it automatically rolls up on a tensioned dowel in the top of the door. This gives a full-view door when the screen is not in use, and a ventilating door when it is.
A trap primer (or trap seal primer) is a plumbing device or valve that adds water to traps.The water seals in traps are needed to prevent sewer gases from entering buildings, but because this water is exposed to the air, it is subject to evaporation over time in infrequently used floor drains, leading to the release of sewer gas into the environment.
The slats of a mini blind. A mini blind is a type of horizontal window blind made of long, narrow slats held together by string. Its slats are less than half the width of a regular venetian blind, and are often made of aluminium, measuring 15 millimetres (0.59 in) or 25 millimetres (0.98 in).
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"Zoo Night": After watching a live video of the new panda on the zoo website, George rushes to the zoo to see it, but gets accidentally locked inside after closing time. George tries to find the exit, but mistakenly opens the wrong doors and finds himself surrounded by giraffes, meerkats and penguins. George must put the animals back in their ...