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see plumbingplumbing,
piping systems inside buildings for water supply and sewage. The Romans had a highly developed plumbing system; water was brought to Rome by aqueducts and distributed to homes in lead pipes—hence the name plumbing from the Latin word plumbum for lead.
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; sanitary sciencesanitary science,
principles of health preservation, embracing hygiene, on an individual level, and public health, on a communal level. Those who specialize in sanitary science are sanitary engineers.
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a term once used to designate several branches of public health concerned with the formulation and application of sanitary, hygienic, and counterepidemic measures. Housing, industrial, and food sanitation were distinguished. Sanitation was used in this broad sense in the Soviet public health system until the 1960’s. Today, hygiene is engaged in research on sanitation, and the public health epidemiologic service is concerned with the organization and application of sanitary, hygienic, and counterepidemic measures.


(civil engineering)
The act or process of making healthy environmental conditions.


the study and use of practical measures for the preservation of public health
References in periodicals archive ?
The announcement said the water was bottled under unsanitary conditions in breach of the relevant legislation.
Every family should now make recycling a habit and use their new bins to make ugly and unsanitary piles of black bags lining every pavement a thing of the past.
In 2004, workers at Rubie's plant in Tepeji del Rio, Hidalgo, Mexico, complained about labor practices, alleging unsanitary and unsafe working conditions, unpaid overtime, and the use of underage workers.
The Smiley sticks to mirrors, tile, and stainless steel, eliminating unsanitary, unsafe, and germ-producing cups and holders.
Now high populations of homeless persons and drug abusers have created an unsanitary problem for the city--streets, alleys, and parking lots around the downtown are habitually used as outdoor toilets.
* Remind students that unsanitary conditions in the food industry still make headlines, such as during periodic outbreaks of E.
The great cultural diversity and history are important draws for many travelers, but the lack of development also creates incredibly poor and unsanitary conditions in many of Vietnam's remote regions.
The unsanitary conditions created by piles of human faeces on Mount McKinley in Alaska can cause diarrhoea among climbers, which can lead to widespread problems when combined with the physical stress of a mountain expedition.
They have disseminated valuable medical and disease-management information to their communities and helped to correct unsanitary health practices.
According to the union, American Eagle flight attendants have to work 14-16 hour duty days, with schedules not including bathroom or meal breaks, with unsanitary working conditions and eight-hour "rest" periods that include passenger handling, aircraft cleaning and commuting to and from the hotel.
'We were making out or having sex or something in the elevator, which I think is very unsanitary,' she said.
According to the court, the city's housing of inmates in grossly crowded, poorly ventilated, and unsanitary jail conditions was so likely to result in inmate sickness and suffering that there was an obvious likelihood of constitutional deprivations.