Process for carboxy-alkylation, particularly carboxymethylation, of branched alcohols includes the reaction of isoalcohols with potassium-t-butoxide or sodium-t-butoxide and with salt of halogenated alkanoic acid in the presence of the isoalcohol as the solvent. The Web service deployment descriptor may specify how the Web service implementation is to be configured on the computing device. Air can flow from the exterior surface to the interior surface through the first aperture and the second aperture. Intramedullary medical devices are described with multiple elements made of different materials.