They have shown some wear with the tags rubbing away over time, but the seams on mine have stayed intact — which is all that really matters to me.
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And one of the mothers, Zaraí Salgado, 32, procured a mop and began to scrub, rubbing away the day's dirt and grime as if this were now her home.
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Abrasion is the process of scuffing, scratching, wearing down, marring, or rubbing away. It can be intentionally imposed in a controlled process using an abrasive. Abrasion can be an undesirable effect of exposure to normal use or exposure to the elements.
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Lithic shaving, also known as lithic analysis, involves the artifacts morphology, the measurement of various physical attributes, and examining other visible features. Abrasion is the process of scuffing, wearing down, marring or rubbing away. Other common methods use for the excavation include fire hardening, percussion or pressure flaking, and longitudinal groove-and-snap technique.
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St. Louis, MO: Saunders Elsevier. pg 1243-1244 Mild abrasions, also known as grazes or scrapes, do not scar or bleed because the dermis is left intact, but deep abrasions that disrupt the normal dermal structures may lead to the formation of scar tissue. A more traumatic abrasion that removes all layers of skin is called an avulsion. Abrasion injuries most commonly occur when exposed skin comes into moving contact with a rough surface, causing a grinding or rubbing away of the upper layers of the epidermis.
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Powders may be applied with a fingerprint brush, a brush with extremely fine fibers designed to hold powder, and deposit it gently on the fingerprint to be revealed, without rubbing away the often delicate residue of the fingerprint itself. They may also be applied by blowing the powder across the fingerprint, or by pouring the powder onto the print, and then blowing away the excess. Magnetic powders are also used, where a fine magnetic powder is held by a magnetic applicator, which may then be gently moved across the fingerprint. As no bristles touch the surface, this often damages the print less than other methods of developing the print.
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Sargent used various watercolor techniques but a favorite seems to have been the use of Gouache (or body color) with opaque and semi- opaques layered and stippled, using very little water.Shelley, 196 He affected light with subtractive techniques, evident in View of the Eiger from Mürren. There he created a mist-like effect at the mountain's peak by rubbing away paint; the dark timbers of chalets in the foreground received additional tonalities by cutting into the paint with a paint knife.Shelley, 198-9 "Frau von Allmen and an Unidentified Man in an Interior", shows the inside of chalet in Mürren The taking away, or subtractive, techniques were used by J. M. W. Turner used, and by the summer of 1870 well-documented in 19th-century artists books.
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