A heavy, soft, metallic element known for its bluish-white color, widely used in applications such as batteries and radiation shielding.
A member of the carbon group in the periodic table, characterized by a low melting point and ease of fabrication, often utilized in various alloys and coatings due to its corrosion resistance.
A toxic metal, historically recognized and extracted from minerals like galena, known for forming a durable oxide layer when exposed to air.
Example:
と金とでは、どちらが重いんですか。
A writing instrument characterized by a slender wooden casing that encloses a core made from a mixture of graphite and clay, commonly used for both writing and drawing.
A tool utilized for marking on paper, consisting of a wooden outer layer and a solid core of graphite, which is produced through a process of heating and shaping.
An essential item in stationery, historically introduced to Japan in the early Edo period, serving the purpose of creating varied types of marks or illustrations on surfaces such as paper.
A versatile device for drawing and writing, typically sharpened at one end to expose the core, allowing for fine lines and detailed work, popularized during the Meiji era.
Example:
ペンか鉛筆を持っていますか。
A metallic element known for its bluish-white color, often used in coatings and alloys, as well as in electrical applications due to its malleability when heated.
An essential trace element in human health, necessary for growth, immune function, and skin health; a deficiency can lead to various health issues.
A key component in the production of galvanized steel, utilized in protecting iron and steel from corrosion.
Example:
真鍮は銅と亜鉛の合金である。
A flat piece of metal primarily composed of zinc, often used in construction and manufacturing for its corrosion-resistant properties.
A sheet of zinc utilized in various applications, including galvanization, to protect other metals from rusting.
A zinc-coated surface that serves as a barrier against oxidation, commonly found in roofing and siding materials.
A metallic panel made of zinc that is employed in electrical components and batteries for conductivity and durability.
A medical condition resulting from the accumulation of lead in the body, often arising from occupational exposure in industries such as printing, battery manufacturing, and lead mining, leading to a variety of health issues.
A toxicological disorder caused by excessive lead exposure, historically noted among actors due to the use of lead-based cosmetics, manifesting symptoms like anemia, abdominal pain, gastrointestinal disturbances, headaches, communication difficulties, and nerve damage.
A form of poisoning characterized by the harmful effects of lead on the human body, typically presenting through both physical ailments and neurological impairment, often linked to specific job roles or historical practices involving lead-containing substances.