Search results
Results from the WOW.Com Content Network
IT8 is a set of American National Standards Institute standards for color communications and control specifications.Formerly governed by the IT8 Committee, IT8 activities were merged with those of the Committee for Graphics Arts Technologies Standards in 1994.
A police officer in Taiwan wears a white motorcycle helmet in conjunction with a high-visibility vest. According to a 2004 study, the wearing of reflective or fluorescent clothing correlated with a 37 percent lower risk of a rider sustaining a crash-related injury; likewise, white helmets demonstrated a 24 percent reduction.
Pith helmet – for use in tropical regions; the American fiber helmet is a version of it; Pork pie hat; Shovel hat; Sidara – national Iraqi headgear; Shtreimel; Sombrero; Spodik; Keffiyah or sudra; Papal tiara – a hat traditionally worn by the Pope, which has been abandoned in recent decades, in favor of the mitre
Sloan letters, designed by Louise Sloan in 1959, are a set of optotypes used to test visual acuity generally used in Snellen charts and logMAR charts. This set of optotypes consists of ten specially formed "letters", C, D, H, K, N, O, R, S, V and Z. [ 1 ] These letters, unlike the ones used in older Snellen charts, are designed to give acuity ...
3M launched "Press 'n Peel" a sticky bookmark page holder in stores in four cities in 1977, but the results were disappointing. [36] [37] A year later 3M instead issued free samples of it as a sticky note directly to consumers in Boise, Idaho, with 95% of those who tried them indicating they would buy the product. [36]
The Integrated Helmet and Display Sight System (IHADSS) 30 mm M230 chain gun turret on a Boeing AH-64 Apache being aimed with a helmet-mounted sight A helmet-mounted display (HMD) is a headworn device that uses displays and optics to project imagery and/or symbology to the eyes.
Flash photo of car with reflective stickers Flash photo of moped with retroreflective sheeting tape Retroreflective sheeting is flexible retroreflective material primarily used to increase the nighttime conspicuity of traffic signs , high-visibility clothing , and other items so they are safely and effectively visible in the light of an ...
The Advanced Combat Helmet (ACH) is the United States Army's current combat helmet, used since the early 2000s. It was developed by the United States Army Soldier Systems Center , [ 2 ] the U.S. Army Special Operations Command , [ 3 ] and the U.S. Army Research Laboratory [ 4 ] to be the next generation of protective combat helmets for use by ...