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Pre-action systems are hybrids of wet, dry, and deluge systems, depending on the exact system goal.
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Pre-action and systems
Pre-action sprinkler systems are specialized for use in locations where accidental activation is undesired, such as in museums with rare art works, manuscripts, or books ; and Data Centers, for protection of computer equipment from accidental water discharge.
Pre-action and .
Pre-action protocols outline the steps that parties should take in particular types of dispute to seek information from, and to provide information to, each other prior to making a legal claim.
Pre-action protocols, which entails setting out the claim in full to the defendant in an attempt to negotiate a settlement.
systems and are
Using launch systems presently available, we are developing satellites to scout the world's weather ; ;
Both of these systems are essential for the production, development, and use of the National Forests.
A substantial increase is estimated in the cost of operating additional communications systems in the air defense program, as well as in all programs where speed and security of communications are essential.
This aircraft, which was planned for initial operational use about 1965, would be complementary to but likewise competitive with the four strategic ballistic missile systems, all of which are scheduled to become available earlier.
Among the items scheduled for acceleration in the near future are the Polaris and B70 programs, strengthening of the airborne alert system of the Strategic Air Command, and improved battlefield surveillance systems.
Research and development expenditures connected with the reconnaissance satellite SAMOS and the future development of ballistic missile defense systems such as Nike-Zeus are expected to increase substantially.
These systems are more expensive than year-'round forced air systems.
Commonly used electronic devices which are found in practically every hospital are closed-circuit TV and audio systems for internal paging and instruction, along with radiation counters, timers, and similar devices.
Outputs of the two systems are measured by a pulse-timing circuit and a resistance bridge, followed by a simple analogue computer which feeds a multichannel recorder.
The air conditioning and ventilating systems of large buildings are subject to attack.
Even beginning students in linguistics are made familiar with an appreciable variety of consonant systems, both in their general outlines and in many specific details.
Tone systems are certainly more complex than the number of units would suggest, and often analytically more difficult than much larger consonantal systems.
Some phonetic features, for example glottal catch or murmur, are sometimes to be assigned to segmental phonemics and sometimes to accentual systems.
But no other two phonologic systems are as difficult to disentangle as are tone and intonation in some languages.
The phonemic systems which must support these morphophonemic systems, however, are very different.
Consonantal systems are not merely larger, they are multidimensional.
The difficulty of analysis of any subsystem in the phonology is an inverse function of the size -- smaller systems are more troublesome -- for any given degree of morphophonemic complexity.
This hypothesis will account for a large part of the difficulties of tonal analysis, as well as the fact that vowel systems are often more puzzling than consonantal systems.
systems and hybrids
Further, chemical biology employs biological systems to create non-natural hybrids between biomolecules and synthetic devices ( for example emptied viral capsids that can deliver gene therapy or drug molecules ).
These " hybrids " fulfil a requirement needing robust control systems with the flexibility of dynamic programming, like the " horse-and-rider " topology BEAMbots ( e. g. the ScoutWalker 3 ).
Despite being inherently four-wire, VoIP systems require hybrids when they interface to two-wire lines.
Telephone hybrids are also used to interface production intercom systems to the PSTN.
Ford announced on July 9, 2007 that it will team up with Southern California Edison ( SCE ) to examine the future of plug-in hybrids in terms of how home and vehicle energy systems will work with the electrical grid.
systems and wet
Early wet cells powered the first telegraph and telephone systems, and were the source of current for electroplating.
Most fabrication facilities employ exhaust management systems, such as wet scrubbers, combustors, heated absorber cartridges etc., to control the risk to workers and also the environment if these toxic materials are released into the atmosphere.
The ecoregion also includes areas of rocky upland and seasonally wet clay and salt pans, particularly Lake Eyre, the centre of one of the largest inland drainage systems in the world, including the Georgina and Diamantina Rivers.
In surface irrigation systems, water moves over and across the land by simple gravity flow in order to wet it and to infiltrate into the soil.
The District Heating System was decommissioned around the turn of the millennium, with those properties connected to it having wet radiator systems installed by the landlord.
The walls were further protected from infantry attack by wet or dry moats, sometimes in elaborate systems.
By a wide margin, wet pipe sprinkler systems are installed more often than all other types of fire sprinkler systems.
Dry pipe systems are installed in spaces in which the ambient temperature may be cold enough to freeze the water in a wet pipe system, rendering the system inoperable.
Dry pipe systems are most often used in unheated buildings, in parking garages, in outside canopies attached to heated buildings ( in which a wet pipe system would be provided ), or in refrigerated coolers.
This perceived benefit is due to a fear that wet system piping may leak, while dry pipe systems will not.
The internal pipe wall corrosion rate in wet pipe systems ( in which the piping is constantly full of water ) is much lower, as the amount of oxygen available for the corrosion process is lower.
Operation-Water mist systems can operate with the same functionality as deluge, wet pipe, dry pipe, or pre-action systems.
Among the problems and miscalculations encountered in the first mission were overstocked fish clogging systems, unanticipated condensation making the " desert " too wet, population explosions of greenhouse ants and cockroaches, and morning glories overgrowing the " rainforest ", blocking out other plants.
A combination of the " Siberian high ": cold, high-pressure systems in the east, together with wet, cold cyclonic systems in the west largely determined the overall weather patterns.
The Technology Incubator offers entrepreneurs the following: state of the art facility, wet lab / dry lab space, manufacturing space, customizable tenant space, shared production areas, executive boardroom, conference rooms, common reception area, T1 lines, dedicated data rooms and phone systems.
At a time when many motorcycle manufacturers used total-loss oiling systems, the new BMW engine featured a recirculating wet sump oiling system with a drip feed to roller bearings.
Showers with a level entry wet room are becoming very popular, especially due to improvements in waterproofing systems and prefabricated components.
Refrigeration-based cooling systems lose this ability whenever there is not enough humidity in the air to keep the evaporator wet while providing a constant trickle of condensate that washes out dissolved impurities removed from the air.
* Designed Sanitary Relief-A civil engineering structure designed to relieve wet weather flows from municipal sanitary systems.
These systems used dry magnetic powders, wet powders, or aerosol cans.
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