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Most nuclear power plants feature a containment building whose role is to be the ultimate barrier, as per the defense-in-depth principle, against the release of radionuclides in the environment during accidents involving partial or total reactor core damage, that is, in which the integrity of the nuclear fuel (first barrier) is lost.
A cargo containment system is the total arrangement for containing cargo including, where fitted: A primary barrier (the cargo tank), Secondary barrier (if fitted), Associated thermal insulation, Any intervening spaces, and; Adjacent structure, if necessary, for the support of these elements.
Containment systems for nuclear power reactors are distinguished by size, shape, materials used, and suppression systems. The kind of containment used is determined by the type of reactor, generation of the reactor, and the specific plant needs. Suppression systems are critical to safety analysis and greatly affect the size of containment.
Acid storage tanks inside a brick bund wall. Bunding, also called a bund wall, is a constructed retaining wall around storage "where potentially polluting substances are handled, processed or stored, for the purposes of containing any unintended escape of material from that area until such time as a remedial action can be taken."
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A 5-year-old girl is clinging to life after police in Washington D.C. say her 3-year-old brother grabbed an unsecured gun from inside the family's home and shot her while playing with it.
This system consists of a series of pumps and spargers that spray coolant into the upper portion of the primary containment structure. It is designed to condense the steam into liquid within the primary containment structure in order to prevent overpressure and overtemperature, which could lead to leakage, followed by involuntary depressurization.
U.S. President-elect Donald Trump is making good on his threats to go after the media in court, with several recent lawsuits seeking damages against major publishers over what he describes as ...