at their facility - अपने यहां के


कृपया देखें - a facility is a building or place that provides a particular service or is used for a particular industry or a skillful performance or ability without difficulty
(http://thesaurus.com/browse/facility)

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Note added at 16 mins (2013-02-13 09:59:16 GMT)
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यदि किसी संस्थान या संस्था का पहले उल्लेख हुआ हो और संदर्भ अनुमति दे तो facility के लिए 'संस्थान' भी प्रयुक्त हो सकता है।

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Note added at 20 mins (2013-02-13 10:02:38 GMT)
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facility

1. General: Permanent, semi-permanent, or temporary commercial or industrial property such as a building, plant, or structure, built, established, or installed for the performance of one or more specific activities or functions.
2. Banking: Arrangement under which a bank or supplier extends an advantageous service (such as an overdraft or deferred payments) to a customer.
3. Lodging: Accommodations, bars, restaurants, meeting rooms, and other core physical features attached to a hotel.

(http://www.businessdictionary.com/definition/facility.html)