![]() Astronomical dusk – the geometric center of the Sun's disk is 18 degrees below the horizon.Nautical dusk – the geometric center of the Sun's disk is 12 degrees below the horizon.Civil dusk – the geometric center of the Sun's disk is 6 degrees below the horizon.There are 3 stages of dusk, each marking the end of 1 of the 3 phases of evening twilight: ©/SeanPavonePhoto Scientific DefinitionĪs with dawn, scientists define dusk as specific moments in time based on the solar elevation angle, which is the position of the Sun in relation to the horizon. Business Date to Date (exclude holidays).This means our Tessera ranges have passed the latest and severe testing on chemicals and emissions to ensure consumers safety. GUT Label Forbo Flooring carpet tiles have received the GUT label. This technique takes all the following aspects into account: environmental impact of raw material acquisition, energy use and efficiency, content of materials and chemical substances, emissions to air, soil and water and waste generation. This declaration, which is transparent and third-party verified, is based on a technique which assess environmental impacts associated with all the stages of a product's life from raw material extraction through materials processing, manufacture, distribution, use, repair and maintenance, to ultimate disposal or recycling. ![]() You can also immediately download the following documents here: Tessera Teviot Technical Specification As part of our sustainability policy, most of our Tessera carpet tiles have an Environmental Product Declaration (EPD). All documents can be found in the document download centre. ![]() Document download centre Forbo has a wide variety of promotional and technical documentation available for carpet tiles, including technical specifications, NBS documents and environmental datasheets. ![]()
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