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The term waterborne disease is reserved largely for infections that predominantly are transmitted through contact with or consumption of microbially polluted water.Many infections may be transmitted by microbes or parasites that accidentally, possibly as a result of exceptional circumstances, have entered the water.
A steam boiler evaporates liquid water to form steam, or gaseous water, and requires frequent replenishment of boiler feedwater for the continuous production of steam required by most boiler applications. Water is a capable solvent, and will dissolve small amounts of solids from piping and containers including the boiler.
This includes diseases caused by substance abuse, exposure to toxic chemicals, and physical factors in the environment, like UV radiation from the sun, as well as genetic predisposition. Meanwhile, pollution-related diseases are attributed to exposure to toxins in the air, water, and soil.
In the event of priming (and also when steam is admitted through cold piping or into a cold cylinder) the operators need to open the cylinder cocks, which are designed to release trapped water. Once occurring, the problem can affect the level indicated in the boiler's gauge glass and for this reason is difficult to put right without reducing ...
Note that some of the diseases listed may have other possible causes as well, such as food poisoning or direct contact with an infected person. Subcategories This category has the following 3 subcategories, out of 3 total.
List of medical symptoms. Medical symptoms refer to the manifestations or indications of a disease or condition, perceived and complained about by the patient. [1] [2] Patients observe these symptoms and seek medical advice from healthcare professionals.
List of endocrine diseases; List of eponymous diseases; List of eye diseases and disorders; List of intestinal diseases; List of infectious diseases; List of human disease case fatality rates; List of notifiable diseases - diseases that should be reported to public health services, e.g., hospitals. Lists of plant diseases; List of pollution ...
Doss porphyria/ALA dehydratase deficiency/Plumboporphyria (the disease is known by multiple names) DPT Diphtheria, pertussis, tetanus: DRSP disease Drug-resistant Streptococcus pneumoniae disease DS Down syndrome: DSPS Delayed sleep phase syndrome: DTs Delirium tremens: DVD Developmental verbal dyspraxia: DVT Deep vein thrombosis