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With a foreword by Steve Krug, author of Do not Make Me Think .
Usability Testing Essentials presents a practical process of planning, conducting, moderating, analyzing usability tests. This completely refurbished edition of Usability Testing is a successful development, including websites, web applications, mobile devices, and software. The new edition also features a full-color interior, and a multitude of real world stories.
* Provides a comprehensive, step by step to usability testing
* The fully-updated four color edition now features important issues, such as international testing, persona creation, remote testing, and accessibility
* Follow-up to Usability Testing and Research (9780205315192, Longman, 2001), winner of the highest-level award from the Society for Technical Communication
Two-channel switch with Zigbee that can control two circuits in a room. Allows each of the two channels to be switched on/off independently. Adaprox LKWSZ211
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AVT kit for self-assembly LED ring illuminator. AVT1918 B
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No product available!
Andrzej Chochowski
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No product available!
Printed circuit board for the modular listening receiver for the 80m and 40m Dosia bands. Audio amplifier. AVT3194 A
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At Ugears, we like to think that each of our new models is a wonderful surprise and an amazing gift to anybody who loves beautiful mechanics. We want to give more with every model we invent. With this model, Ugears gives you – quite literally – the world. Presenting the Globus, your own world of mechanical marvels. UGears 70128
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The Curvimeter – or opisometer – is a device that measures the length of curved lines and helps to calculate the distance between the points on a map more precisely than a ruler or a compass.
The mechanism has a measuring wheel, a clock face, and a hand. When the wheel moves along the line on a map that you need to measure, the hand moves around the clock face marked with measuring units – centimeters, inches, etc. All you need to do in the end is to check the map scale and to multiply your data by the denominator in the scale. UGears 70138
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