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The blinds had brightly colored and reflective front sides. The reverse side was a non-reflective black color which allowed good visibility through the blind. See-through graphics were used in 1982 on the Safe Screen Squash Court, the world's first squash court with four unobstructed one-way vision walls.
Retroreflective sheeting for road signs is categorized by construction and performance specified by technical standards such as ASTM D4956-11a.; [4] various types give differing levels of retroreflection, effective view angles, and lifespan. [5] Sheeting has replaced button copy as the predominant type of retroreflector used in roadway signs.
Delineators are small reflective panels mounted on lightweight metal posts or flexible plastic tubes used to outline roadways and paths. These are about 1.2 metres (3 ft 11 in) high. In the USA, yellow reflective material is used for delineators on the left of the road, and white delineators are used to the right of traffic.
A wall panel is single piece of material, usually flat and cut into a rectangular shape, that serves as the visible and exposed covering for a wall. Wall panels are functional as well as decorative, providing insulation and soundproofing , combined with uniformity of appearance, along with some measure of durability or ease of replaceability.
Raised reflective markers, such as plastic, ceramic, or metal ones, include a lens or sheeting that enhances their visibility by retroreflecting automotive headlights, while glass road studs gather automotive headlights with a dome shape and reflect the lights with a reflective layer within.
The International Code Council utilizes the ADA approach and does not use a light reflectance value in the 2017 update to the standards for ICC A117.1 in § 703.5.3.2 [4] The United Nations Economic Commission for Europe uses a difference of sixty points between the LRVs for the contrast requirement of signage in "Railway Applications ...
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