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Screw anchors

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Screw anchors are used to fix objects to walls where screws do not work effectively. A common type of screw anchor, which is used for plasterboard walls (drywalls), is called […]

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Screws

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Screws have screw heads and threaded shafts. You can tighten or loosen them with a screwdriver. When a screw is driven into a material, it generates friction between the thread […]

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Origami

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Origami is a traditional Japanese papercraft. A square piece of paper is folded into various shapes. One of the most popular origami is cranes. One thousand origami cranes strung together […]

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Gasoline engines

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A gasoline engine is an internal combustion engine. A gasoline engine burns a mixture of air and gasoline in cylinders. Each cylinder contains a piston. When the mixture explodes, the […]

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The human body

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The body’s organs work together in groups known as systems. The skeletal system is responsible for supporting and protecting the body.(Examples: bones, joints, tendons) The muscular system is responsible for […]

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Five classes of vertebrates

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Vertebrates are animals that have backbones. There are five classes. Fish are cold-blooded animals that live in the water and breathe with gills.(Examples: goldfish, sharks, tuna) Amphibians are cold-blooded animals […]

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Wagashi

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Wagashi is a traditional Japanese confectionery. The main ingredients of wagashi are  sweet red bean paste, rice flour, agar, and sugar. It is not only pleasant to the eyes, but […]

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Coupy Pencils

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Sakura Coupy Pencils are colored crayon pencils. Unlike ordinary colored pencils, they do not have wooden cases. In other words, the whole pencils are leads. They may sound like crayons, […]

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Brewery tour

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I joined a factory tour of Kirin Beer Kobe Factory. Now I feel as if I were familiar with beer, although I can’t drink any alcohol because of my alcohol […]