TR7101S
Ejikọtara ụgbọ okporo ígwè nchara nchara na Q na E track.Ọ na-efu ọnụ yana ịchekwa ohere.Ha nwere ike iji na shoring Ogwe, uwe rails, mmiri track oyiyi akwa n'otu oge makaụgbọala na-adọkpụ, gwongworo ndị kwụ ọtọ na ụgbọ ala, wdg.