Mashiinka birta duuban ee qabow ee loo yaqaan 'ribbed bar' ayaa loo isticmaalaa in lagu rogo dusha sare ee baararka wareegsan ee birta si loo sameeyo laba ama saddex dhinac oo bislaado ah;Maaddada ceeriin: bir kaarboon yar oo wareegsan Isticmaalka: mishiinkan wuxuu inta badan duubaa dhexroorka baararka 3-8mm, si weyn ayaa loogu isticmaalaa garoonka diyaaradaha ee waddooyinka waaweyn, warshadaha dhismaha;

Mashiinkan oo ah qalab kaaliye ah oo loogu talagalay mashiinka alxanka shabagga ee shubka ah, mashiinka alxanka BRC; Haddii aad u baahan tahay khadka wax soo saarka siligga ee ribbed, sida mashiinka sawir-qaadista siligga, mashiinka bir-ribbed baar, mashiinka toosinta iyo jarista siligga… soo dhawoow nala soo xiriir si aad u hesho shuruudahaaga; Waxaan kuu samayn doonnaa xal xirfadeed sida waafaqsan;