Re thehile mohala oa tlhahiso ea khalase oa spacer e futhumatsang e otlolohileng le e otlolohileng ho fihlela litlhoko tse fapaneng tsa bareki. Mechini ena e ka sebelisoa ho etsa yuniti ea khalase ea aluminium e sireletsang e futhumatsang e tloaelehileng le yuniti ea khalase e sireletsang e phahameng e sireletsang e boetse e le super spacer.