Mochini o ikemetseng oa ho etsa rack roll roll
1.Mochine oa ho etsa mochine oa polokelo ke mohala o feletseng oa tlhahiso ea lihlahisoa, o ka etsang rack e boima ka boholo bo boholo ba 3mm. 2.Mochini oa ho etsa rack ea polokelo o nang le litekanyetso tse phahameng tsa tlhophiso o ka fetola marang-rang ka bohona. E sebetsa hantle ebile e ka hlahisa lihlahisoa tse ngata 3. E-ba le liqapi tse 'maloa tse khethehileng ho netefatsa ho nepahala le bolelele ba rack.