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The Canadian Conservation Institute lists ten agents of deterioration that play a role in damaging an object or work of art. [4] While all of these agents play a role in damaging a painting over its lifetime, five primary agents are involved in the degradation of an artwork's canvas and its pigment layers.
The best method of controlling the environment is by using a centralized climate control or HVAC system where incoming air is washed, cleaned, heated, or cooled, adjusted to specific conditions, and then injected into the storage space. An appropriate alternative is a localized climate control system where air conditioners cool the air and ...
This reduces the impact that resurfacing has on the environment. Milling can also remove distresses from the surface, providing a better driving experience and/or longer roadway life. Some of the issues that milling can remove include: [2] Raveling: aggregate becoming separated from the binder and loose on the road [3]
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Resurfacing can be ablative, which vaporizes tissue and creates wounds, or non-ablative which keeps the skin intact. Laser resurfacing is usually done with a 2940 nm Er:YAG laser or a 10,600 nm CO 2 laser. Complete resurfacing was first done with a CO 2 laser. Both erbium and CO 2 are used to treat deep rhytides, sun damage and age spots.
Duel Decks are a series of boxed sets for Magic: The Gathering, each consisting of a pair of 60-card decks built around a rivalry between two forces, often planeswalkers or creature type "tribes". Typically, each deck contains a mythic rare, several rares, and a number of cards with alternate art.
"Rubblization" is a more complete fracturing of the old, worn-out concrete, effectively converting the old pavement into an aggregate base for a new asphalt road. [ 33 ] The whitetopping process uses Portland cement concrete to resurface a distressed asphalt road.
Ice resurfacers are generally composed of a snow container, hot water tanks, a wash water tank, the conditioner, and a board brush. An internal combustion engine or electric motor of the vehicle is responsible both for propelling the resurfacer and also powering the hydraulics that control the various functions, such as lowering the conditioner or raising the snow dump.