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2. High-visibility clothing - Wikipedia

   en.wikipedia.org/wiki/High-visibility_clothing

   Fluorescent green safety vest. Retroreflective stripes are optional for low-light conditions, but do not define the meaning of hi viz clothing.. High-visibility clothing, sometimes shortened to hi vis or hi viz, is any clothing worn that is highly luminescent in its natural matt property or a color that is easily discernible from any background.

3. Safety orange - Wikipedia

   en.wikipedia.org/wiki/Safety_orange

   The high-visibility color is commonly used in hunting contexts and for construction site safety. ANSI standard Z535.1–1998 states how safety orange is defined in the following notation systems: Munsell notation 5.0YR (hue) 6.0/15 (value/chroma) Approximate PMS Color (mixing directions) 13 parts yellow, 3 parts warm red, 1 ⁄ 4 part black

4. Robotic tech vest - Wikipedia

   en.wikipedia.org/wiki/Robotic_tech_vest

   Robotic tech vest (RTV) is a special wearable equipment protecting workers near industrial robots. It is similar to a high-visibility jacket but for robots. Robots can sense a vest from a distance and avoid moving into it, thus protecting the wearer from collisions.

5. Waistcoat - Wikipedia

   en.wikipedia.org/wiki/Waistcoat

   Vests are often worn both open or closed, over dress shirts and even t-shirts. Non-formal types of waistcoat have been used in workers uniforms, such as at Walmart prior to 2007, [14] and as high-visibility clothing (usually the bright "safety orange" colour).

6. Personal flotation device - Wikipedia

   en.wikipedia.org/wiki/Personal_flotation_device

   Personal flotation devices being worn on a navy transport . A personal flotation device (PFD; also referred to as a life jacket, life preserver, life belt, Mae West, life vest, life saver, cork jacket, buoyancy aid or flotation suit) is a flotation device in the form of a vest or suit that is worn by a user to prevent the wearer from drowning in a body of water.

7. Bulletproof vest - Wikipedia

   en.wikipedia.org/wiki/Bulletproof_vest

   The Barrier Vest was the first police vest to gain wide use during high-threat police operations. In 1971, research chemist Stephanie Kwolek discovered a liquid crystalline polymer solution. Its exceptional strength and stiffness led to the invention of Kevlar , a synthetic fibre, woven into a fabric and layered, that, by weight, has five times ...