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Pripučiamos konstrukcijos dažniausia naudojamos teniso kortų statybai, baseinai, golfo aikštelės, ledo arenos, futbolo aikštynai ir kiti sporto kompleksai;
Rečiau naudojami birių ir kitų krovinių bei irengimų nuolatiniam ir laikinam saugojimui - sandeliavimui.
Ppranašumai:
- žema kaina, nėra atraminių kolonų konstrukcijos viduje, netgi esant labai dideliems konstrukcijų gabaritiniams matmenims;
- energijos taupymas apšvietimui, kai konstrukcijos uždanga gaminama iš šviesai laidžios, baltos spalvos PVC medžiagos;
- turi galimybę per trumpą laiką būti sumontuoti ir išmontuoti vasaros sezonui.
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| 7834. |
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| 7835. |
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| 7837. |
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| 7840. |
chronometer watches
Understanding COSC Validation and Its Importance in Horology
COSC Accreditation and its Stringent Criteria
Controle Officiel Suisse des Chronometres, or the Controle Officiel Suisse des Chronometres, is the official Switzerland testing agency that verifies the accuracy and accuracy of timepieces. COSC accreditation is a sign of excellent craftsmanship and dependability in chronometry. Not all timepiece brands follow COSC certification, such as Hublot, which instead adheres to its own strict standards with movements like the UNICO calibre, achieving similar precision.
The Science of Exact Timekeeping
The core mechanism of a mechanized watch involves the spring, which supplies energy as it loosens. This mechanism, however, can be vulnerable to external factors that may affect its precision. COSC-validated movements undergo rigorous testing?over 15 days in various circumstances (5 positions, 3 temperatures)?to ensure their resilience and reliability. The tests evaluate:
Typical daily rate precision between -4 and +6 secs.
Mean variation, highest variation rates, and impacts of thermal variations.
Why COSC Certification Is Important
For timepiece enthusiasts and collectors, a COSC-accredited timepiece isn't just a item of tech but a demonstration to enduring excellence and precision. It signifies a watch that:
Presents exceptional reliability and accuracy.
Provides confidence of superiority across the whole construction of the timepiece.
Is probable to hold its value better, making it a sound choice.
Popular Chronometer Manufacturers
Several well-known brands prioritize COSC certification for their timepieces, including Rolex, Omega, Breitling, and Longines, among others. Longines, for instance, presents collections like the Archive and Spirit, which highlight COSC-certified movements equipped with advanced materials like silicon equilibrium suspensions to improve resilience and efficiency.
Historic Background and the Development of Chronometers
The idea of the chronometer originates back to the need for precise chronometry for navigational at sea, emphasized by John Harrison's work in the eighteenth cent. Since the formal establishment of COSC in 1973, the certification has become a benchmark for evaluating the accuracy of high-end watches, continuing a tradition of superiority in watchmaking.
Conclusion
Owning a COSC-validated timepiece is more than an aesthetic choice; it's a dedication to quality and precision. For those valuing accuracy above all, the COSC accreditation offers tranquility of thoughts, guaranteeing that each certified timepiece will operate reliably under various conditions. Whether for individual satisfaction or as an investment decision, COSC-validated timepieces distinguish themselves in the world of watchmaking, maintaining on a legacy of careful chronometry.
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