Search results
Results From The WOW.Com Content Network
PP – The material is used primarily in housewares, food packaging, and clinical equipment, [32] but since the early 1970s has seen increasing use worldwide for both domestic hot and cold water. PP pipes are heat fused , being unsuitable for the use of glues, solvents, or mechanical fittings.
Thus small mosaic tiles offer less of a defense than large format tiles. Sub-tile waterproofing is important when tiles are being used. Best practice requires a waterproofing material to cover the walls and floor of the shower area that are then covered with tile, or in some countries with a sheet material like vinyl.
The use of ceramic or glass, as well as smooth plastic materials, is common in bathrooms for their ease of cleaning. Such surfaces are often cold to the touch, however, so water-resistant bath mats or even bathroom carpets may be used on the floor to make the room more comfortable.
[1] [2] These fittings are used in plumbing to manipulate the conveyance of fluids such as water for potatory, irrigational, sanitary, and refrigerative purposes, gas, petroleum, liquid waste, or any other liquid or gaseous substances required in domestic or commercial environments, within a system of pipes or tubes, connected by various ...
Three-phase power is commonly used for industrial machines, particularly motors and high-load devices. Provision for three-phase power must be considered early in the design stage of a building because it has different regulations to domestic power supplies, and may affect aspects such as cable routes, switchboard location, large external ...
The main determinants of urban sanitation financial costs include: Type of technology, labour, material and utility cost, density, topography, level of service provided by the sanitation system, soil condition, energy cost and others (distance to wastewater treatment facility, climate, end-use of treatment products, business models, water table ...
A cation from an organic base such as ammonium can be used instead of a metal; ammonium nonanoate is an ammonium-based soap that is used as an herbicide. [ 8 ] Another class of non-toilet soaps are resin soaps , which are produced in the paper industry by the action of tree rosin with alkaline reagents used to separate cellulose from raw wood.
1921: Thomas William Twyford died. He was recognised as a leading pioneer in the application of principles of hygiene to sanitary appliances. He became known as the "father of British bathrooms." 1929: A silent, black-and-white movie film showing the sanitaryware processes was commissioned as a marketing tool by the new Twyford management.