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Most user guides contain both a written guide and associated images. In the case of computer applications, it is usual to include screenshots of the human-machine interface(s), and hardware manuals often include clear, simplified diagrams. The language used is matched to the intended audience, with jargon kept to a minimum or explained thoroughly.
An example of a homemade unit. The Corsi–Rosenthal Box is a design for a do-it-yourself air purifier that can be built comparatively inexpensively. It consists of four [1] or five [2] [3] HVAC particulate air filters that form a cube and a box fan to draw air through the filters.
An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .
An ordinary glovebox, showing the two gloves for manipulation, with airlock on the right. The most straightforward type of air-free technique is the use of a glovebox.A "glove bag" uses the same idea, but is usually a poorer substitute because it is more difficult to purge, and less well sealed.
Air ioniser and purifier with its dust collection plates removed. Air ionisers are used in air purifiers to remove particles from air. [3] Airborne particles become charged as they attract charged ions from the ioniser by electrostatic attraction. The particles in turn are then attracted to any nearby earthed (grounded) conductors, either ...
The following is a list of tulip species and cultivars which have gained the Royal Horticultural Society's Award of Garden Merit. [1] They are bulbous perennials, originally from sunny, open habitats in Europe and Asia. Thousands of cultivars are available in a huge range of sizes, shapes and colours (other than pure blue).
The Tulip Folly is an 1882 painting by French artist Jean-Léon Gérôme. Done in oil on canvas, the painting demonstrates a conceptual scene from the historical "tulip mania" of 17th century Holland. [1] The work is in the collection of the Walters Museum of Art. [2]
The acrostic TULIP was used by Cleland Boyd McAfee as early as circa 1905. [4] An early printed appearance of the acrostic can be found in Loraine Boettner's 1932 book, The Reformed Doctrine of Predestination. [5] Total depravity (also called radical corruption) [6] asserts that as a consequence of the fall of man into sin, every person is ...