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Package for materials which need to be heated before use, e.g. cosmetics, encloses separate material which produces heat when activated, activator, e.g. leaf spring also being incorporated into package
Package for materials which need to be heated before use, e.g. cosmetics, encloses separate material which produces heat when activated, activator, e.g. leaf spring also being incorporated into package
The package for materials (SA1) which need to be heated before use, e.g. cosmetics, encloses a separate material (SE1) which produces heat when activated, e.g. sodium acetate trihydrate. An activator, e.g. a leaf spring (1.9) may also be incorporated into the package.
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