text: The Mus ? ? e des Arts D ? ? coratifs ( 30 Rue de la Charit ? ? ) , which is in the 18th-century H ? ? tel Lacroix-Laval , displays tapestries , furniture , and porcelain ; next door in the H ? ? tel Villeroy ( 34 Rue de la Charit ? ? ) is the Mus ? ? e Historique des Tissus , with more tapestries and silks and other fabrics .
  
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  The museum focuses on science and technology .