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A pencil-beam radar A moving or sweeping pencil-beam radar. In optics, a pencil or pencil of rays, also known as a pencil beam or narrow beam, is a geometric construct (pencil of half-lines) used to describe a beam or portion of a beam of electromagnetic radiation or charged particles, typically in the form of a cone or cylinder.
A pencil (/ ˈ p ɛ n s ə l / ⓘ) is a writing or drawing implement with a solid pigment core in a protective casing that reduces the risk of core breakage and keeps it from marking the user's hand.
Nada Untuk Asa is an Indonesian drama film directed by Charles Gozali released on February 5, 2015. The film stars Marsha Timothy , Acha Septriasa , Darius Sinathriya , Mathias Muchus, Wulan Guritno, Nadilla Ernesta, Irgy Ahmad Fahrezy, Donny Damara, Butet Kartaredjasa, and Pongki Barata.
Each plate is accompanied by a short text which describes the scene and the photographic processes involved in obtaining it. Talbot emphasized the practical implications of his images (for instance, "The whole cabinet of a Virtuoso and collector of old China might be depicted on paper in little more time than it would take him to make a written inventory describing it in the usual way."), but ...
Parallel rule in plastic with aluminum arms lying on a cutting mat. Parallel rulers are a drafting instrument used by navigators to draw parallel lines on charts. The tool consists of two straight edges joined by two arms which allow them to move closer or further away while always remaining parallel to each other.
A bedug is a large double-headed drum [2] with water buffalo or cow leather on both ends. [3] [1]Unlike the more frequently used kendang, the bedug is suspended from a frame and played with a padded mallet.