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Girl in a school uniform using a Veronica bucket. The Veronica bucket [1] is a mechanism for hand washing originating in Ghana which consists of a bucket of water with a tap fixed at the bottom, mounted at hand height, and a bowl underneath to collect waste water. The Veronica bucket was developed by Veronica Bekoe. The Veronica bucket serves ...
A hand sanitizer or hand antiseptic is a non-water-based hand hygiene agent. In the late 1990s and early part of the 21st century, alcohol rub non-water-based hand hygiene agents (also known as alcohol-based hand rubs, antiseptic hand rubs, or hand sanitizers) began to gain popularity.
Hand sanitizer (also known as hand antiseptic, hand disinfectant, hand rub, or handrub) is a liquid, gel, or foam used to kill viruses, bacteria, and other microorganisms on the hands. [ 3 ] [ 4 ] It can also come in the form of a cream, spray, or wipe. [ 5 ]
Wash bottles are sealed with a screw-top lid. When hand pressure is applied to the bottle, the liquid inside becomes pressurized and is forced out of the nozzle into a narrow stream of liquid. Most wash bottles are made up of polyethylene, which is a flexible solvent-resistant petroleum-based plastic.
The Moche were especially adept at the creation of stirrup spout vessels. They used them largely for the creation of fine wares, but also for intricately sculpted forms such as portraits of Moche leaders. Stirrup spout vessels appeared early in the Andean region. They can be formed in spherical, oblate, cylindrical, cube-like, angled, or molded ...
Depending on the sprayer, the nozzle may or may not be adjustable, so as to select between squirting a stream, aerosolizing a mist, or dispensing a spray. In a spray bottle, the dispensing is powered by the user's efforts, as opposed to the spray can, in which the user simply actuates a valve and product is dispensed under pressure.
This United States Congress image is in the public domain.This may be because it was taken by an employee of the Congress as part of that person’s official duties, or because it has been released into the public domain and posted on the official websites of a member of Congress.
There are also dual-flush toilets that use a siphon valve operated by a lever rather than buttons, with a ≤ 6L full flush, and a ≤ 3L half-flush if the flush handle is held down [8] or released immediately after flushing. [9] Tipping bucket. The tipping bucket cistern can operate in a dual flush mode when the lever is rotated halfway 2.5/5 ...