Parafusos de nylon coisas para saber antes de comprar

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Powdered PTFE is used in pyrotechnic compositions as an oxidizer with powdered metals such as aluminum and magnesium. Upon ignition, these mixtures form carbonaceous soot and the corresponding metal fluoride, and release large amounts of heat. Внешне этот вид похож на парафин или полиэтилен, так как его материя может содержать https://noah513o7kc7.wikiconverse.com/user


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