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Glass floor at Ostankino Tower, Moscow, Russia Glass in-floor display case showing Roman artifacts in Naples, Italy. Glass floors are made with transparent glass when it is useful to view something from above or below; whereas translucent glass is used when there is no need to view through.
A typical installation of insulated glass windows with uPVC frames. Possibly the earliest use of double glazing was in Siberia, where it was observed by Henry Seebohm in 1877 as an established necessity in the Yeniseysk area where the bitterly cold winter temperatures regularly fall below -50 °C, indicating how the concept may have started: [2]
A country's gross domestic product (GDP) at purchasing power parity (PPP) per capita is the PPP value of all final goods and services produced within an economy in a given year, divided by the average (or mid-year) population for the same year.
Efek Rumah Kaca (English: Greenhouse Effect) is an Indonesian indie rock band, formed in 2001. The band consists of Cholil Mahmud (lead vocal, guitar), Adrian Yunan Faisal (back vocals, bass, guitar), Airil "Poppie" Nur Abadiansyah (back vocals, bass) dan Akbar Bagus Sudibyo (drum, back vocals).
Spades is all about bids, blinds and bags. Play Spades for free on Games.com alone or with a friend in this four player trick taking classic.
The recording of Kamar Gelap was more concentrated in studio, unlike the first album (which recorded at the band members' houses). [1] Some musicians collaborated with Efek Rumah Kaca during recording, such as Ramondo Gascaro on "Laki-Laki Pemalu", [2] Ade Paloh provided backing vocals and Iman Fattah played guitar on "Jangan Bakar Buku".
Trigonometric functions and their reciprocals on the unit circle. All of the right-angled triangles are similar, i.e. the ratios between their corresponding sides are the same.
Technology readiness levels (TRLs) are a method for estimating the maturity of technologies during the acquisition phase of a program. TRLs enable consistent and uniform discussions of technical maturity across different types of technology. [1]