La 15 Hlakubele ke letsatsi la bo 40 la machaba la litokelo tsa bareki, mabapi le sehlooho sa "khothaletsa ts'ebeliso ea toka", k'hamphani ea ka ka mefuta e fapaneng ea ho tataisa ts'ebeliso ea mahlale le e utloahalang, tlhokomeliso ea litokelo, joalo ka kenyelletso ea moetsi oa li-pillow block, re boetse re entse tšepiso. ho bareki ba rona, netefatsa boleng ba lits'ebeletso, sireletsa litokelo le lithahasello tsa bareki.Letsatsi la Lefatše la Litokelo tsa Bareki, le tšoaroang ka la 15 Hlakubele selemo se seng le se seng, le thehiloe ke Consumers International ka 1983. Sepheo sa Letsatsi ke ho atolosa phatlalatso ea tšireletso ea Litokelo tsa Bareki, ho hohela tlhokomelo ea Litokelo tsa Bareki lefatšeng ka bophara, le ho khothaletsa tšebelisano le phapanyetsano lipakeng tsa mekhatlo ea bareki linaheng le libakeng tse fapaneng.Betere sireletsa litokelo le lithahasello tsa bareki boemong ba machaba.Re boetse re molemong oa ho khothaletsa tšebelisano 'moho le phapanyetsano lipakeng tsa bareki ba bangata, phatlalatso ena.Re lumela hore k'hamphani ea rona e ntse e ntlafala le ho ntlafala tšimong ea li-bearings.Lihlahisoa tsa rona tse nang le setulo sa ka ntle sa pillow block le tsona li tla bula 'maraka o moholoanyane oa machaba.