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Ingrain wallpaper was invented by German pharmacist Hugo Erfurt in 1864; marketed by the company his grandfather founded, it was first used as a decoration for shop windows, but began seeing use as a wallpaper from the 1920s on as well. Ingrain wallpaper is the most commonly used type of wallpaper in Germany.
Cultural heritage collections contain many materials known to be hazardous to the environment and to human health. Some hazardous substances may be an integral part of the object (such as a toxic paint pigment or a naturally radioactive mineral sample), applied as a treatment after the object was made (such as a pesticide) or the result of material degradation (such as the exudation of ...
Asbestos (/ æ s ˈ b ɛ s t ə s, æ z-,-t ɒ s / ass-BES-təs, az-, -toss) [1] is a group of naturally occurring, toxic, carcinogenic and fibrous silicate minerals.There are six types, all of which are composed of long and thin fibrous crystals, each fibre (particulate with length substantially greater than width) [2] being composed of many microscopic "fibrils" that can be released into ...
Woodchip may refer to: Woodchips, a medium-sized solid material Woodchipper, a machine; Ingrain wallpaper, in home decoration This page was last edited on 30 ...
Anaglypta is a range of paintable textured wallcoverings made from paper or vinyl. It is produced on traditional paper and paste-the-wall substrates. Anaglypta is often compared to Lincrusta which is made from gelled paste of linseed oil and wood flour. [1] Lincrusta is considered to be a heavier version but more durable than Anaglypta.
One option to balance the negative effects of woodchip harvesting is to return the woodchip ash to the forest which would restore some of the lost nutrients back into the soil. [ 39 ] If woodchips are harvested as a by-product of sustainable forestry practices, then this is considered a source of renewable energy .
Three polytypes of chrysotile are known. [8] These are very difficult to distinguish in hand specimens, and polarized light microscopy [6] must normally be used. Some older publications refer to chrysotile as a group of minerals—the three polytypes listed below, and sometimes pecoraite as well—but the 2006 recommendations of the International Mineralogical Association prefer to treat it as ...
In construction, asbestos abatement is a set of procedures designed to control the release of asbestos fibers from asbestos-containing materials. [1] Asbestos abatement is utilized during general construction in areas containing asbestos materials, particularly when those materials are being removed, encapsulated, or repaired.