Kaya Çelik Kapı- Merkez bilgileri
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Faydalı Bilgiler
Element (gen) : A substance which cannot be separated into its constituent parts and still retain its chemical identity. For example, sodium (Na) is an element.
Picocurie (water) : A measure of radioactivity. One picoCurie of radioactivity is equivalent to 0.037 nuclear disintegrations per second.
KAİDE : Altlık, ayaklık.
Kat sahanlığı: Kat düzeyindeki sahanlık.
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