Encyclopedia

main trap

building trap, main trap

building trap
A running trap on the outlet side of a building drain (on the sewer side of all drain connections); prevents the passage of odors between the common sewer and the plumbing of the building.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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References in periodicals archive
The second main trap component, the "trap box," is an approximate cube with extensions on the bottom to fit securely over the speaker box.
Crowding appeared to agitate the flies and increase the chances that they left the holding jar assembly and returned to the main trap box, which could increase the probability of an escape.
The main trap the new government must avoid is a return to a heavily paternalistic style of governance.
The main trap orifice is operated by a float and linkage that responds to condensate level, regardless of condensate temperature.
The main trap fisheries in Australia are for western rock lobster (Panulirus cygnus) in Western Australia and southern rock lobster (Jasus edwardsii) along the southern coastline.
It was found that the main traps for absorbing hydrogen in them are the intercrystalline boundaries and the vacant positions of carbon in nc-SiC.
They feel exhausted or anxious because they can't find real love, and such women frequently get caught in three main traps, or what I call "romance disorders," to compensate for what they consider unbearable feelings of anxiety when it comes to love and sex.
Here are some of the main traps and how to avoid them.
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