Que tornillo se usa para superboard?

¿Qué tornillo se usa para superboard? Se utilizaran placas Superboard® ST de 10mm de espesor, fijadas a la estructura mediante tornillos SB 8 x 1 ¼” punta mecha con alas galvanizado, colocados según esquema de fijación correspondiente. ¿Qué es una placa de superboard? Placas de cemento altamente resistentes a la intemperie y al impacto, ideales […]

What are the symmetries of a cube?

What are the symmetries of a cube? A cube has the same set of symmetries, since it is the polyhedron that is dual to an octahedron. The group of orientation-preserving symmetries is S4, the symmetric group or the group of permutations of four objects, since there is exactly one such symmetry for each permutation of […]

What was the Herodotus map?

What was the Herodotus map? Herodotus, the Greek historian who is known as “The Father of History,” gave the world such detailed knowledge of the world as it was known to the ancient Greeks that we can create a map showing all the peoples, the lands and the geographical features that he wrote about so […]

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