# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A rod or bar used as a core around which a material is molded, cast, or wound; typical uses in rocketry are t' form t' core in a propellant grain, t' make an airframe, or mold a nosecone
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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