Ibonelela ngendawo yokugcina ii-dumbbells zoqeqesho lobunzima basimahla kuqeqesho olunqamlezileyo, indawo ye-2-Tier yeepere ezili-10 zee-dumbbells ezingama-20 ezinobunzima obuqhelekileyo, kunye nendawo eyongezelelweyo ngaphezulu ivumela ukugcinwa kwezixhobo ezincedisayo ezifana neebhola zokuqina komzimba, iibhola zamayeza, njl. Ngenxa yekhonkco lokubonelela elinamandla le-DHZ kunye nemveliso, ulwakhiwo lwesakhelo sezixhobo luhlala ixesha elide kwaye lunewaranti yeminyaka emihlanu.