Lens
Lammaanaha taayirrada tareenadu waa furaha si loo hubiyo hawlgalka badbaadada leh ee tareenada. In habka lagu gaaro wax soo saarka eber-cilad, saarayaasha qalabka tareenada waa in si adag loo xakameeyo tallaabo kasta oo geeddi-socodka wax soo saarka, iyo wax soo saarka qalooca saxaafadda-taam ka mashiinka qalabaynta wheelset waa tilmaame muhiim ah oo ka mid ah tayada shirka wheelset.The codsiyada ugu weyn ee alaabooyinkan taxanaha ah waxay ku yaalaan goobta iftiinka iyo kormeerka.