Does 'Unlike PBS, however, SLS uses the single garment rather than the bundle as the unit of production.' provide a contradiction to the established premise 'PBS uses the bundle as a unit of production, which is different to the SLS single garment method.'
Unlike PBS, however, SLS uses the single garment rather than the bundle as the unit of production.###PBS uses the bundle as a unit of production, which is different to the SLS single garment method.