Since it's not "focal length", what is the term for the distance ... - what is focal distance
Energy density vs power densitypdf
Energy density vs power densitylithium ion
Crown ColourKey is a pocket colour scanning device that will make it so much easier for you to match any colour from Crown’s database. Whether you’re at home, in your office or on site, you now have a measurement and lookup tool that will put the right colour at your fingertips.
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Match colours in an instant with ColourKey, the lightweight, compact and invaluable tool for colour and painting professionals. You’ll never want to be without it.
Our easy-to-use visualizer feature is your new go-to for paint projects, helping you to decide which shades suit your specification quickly and effortlessly. Simply upload a photo of the space or choose from our image library to test out as many colours as you like at the click of a button, until you find one that perfectly complements your project.
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In our “watt (what) to look for when selecting your professional energy storage” today we shed a light on power density. The battery’s ability to store energy is measured by its energy density. i.e., a battery with a high energy density can store a lot of energy. The battery’s capacity to absorb and deliver electricity is referred to as power density. i.e., a battery with a high-power density will charge more quickly than one with a low power density. Recall that power density equals speed and energy density equals capacity. Non-chemical batteries from 247 Energy provide a superior power density and good energy density. Our technology is superior to lithium-ion. As a result, our batteries are up to 20 times faster. Looking for performance? Go 247 Energy!
With premium quality paints developed specifically for professionals, Crown Trade is the paint brand of choice for many contractors, decorators and builders.
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Sandtex Trade has been protecting buildings for over 60 years and today provides a range of high-quality professional exterior and masonry paints.
Synonymous with delivering superior woodcare protection, Sadolin has been the chosen brand for professional industries for over 200 years.
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Managed through an app on your Smartphone, ColourKey uses advanced LED technology to help you measure any colour, on any surface, and get the closest paint colour match from a database of thousands (including British Standard, RAL and NCS, as well as Crown Paints colours). You’ll have the paint library results instantly at hand, along with the LRV, HEX, RGB, Lab, LCH and CMYK values, plus a range of suggested colour schemes.
The latest addition to the Crown Paints family, Crown Contract is a straightforward, easy to use paint range developed specifically for professionals.
Made for the trade since 1884, Macpherson Trade Paints has represented quality and reliability for generations of painters and decorators.