Wanem ol samting i save bagarapim yus bilong rel bilong slaid?

Taim ol i wok long kamap, ol manmeri i save tingim moa yet ol samting bilong bilasim haus, na ol kain kain samting bilong haus i wok long kamap planti kain kain samting. Slaid rel em i wanpela bikpela samting tru bilong helpim ol samting bilong wokim ol samting bilong haus, na gutpela rel bilong slaid inap mekim na droa i subim gut na pulim. Afta we yu installem ol slaed rel long droa, ol difren kondisen blong yusum bae oli hapen. Yumi kliagut long ol samting i save bagarapim wok bilong ol rel bilong slaid?

1. Envaeromen blong yusum i no stret. Long wan ples we i gat wota, yusum wan slaed we oli mekem long ol kolkol pepa we oli rolem, i save mekem se i gat ros long slaed, be i save afektem slaed mo pulum yusum blong slaed.

Taem yu jusum wan slaed rel, fektori i save givim save long lod bearing ranj blong slaed rel. Sapos droa i winim mak bilong lod bearing bilong rel bilong slaid, em inap mekim na ol bal bilong rel bilong rel i gat slaid rel i pundaun.

Ol samting antap em sampela as na edita i stori liklik long en na dispela inap bagarapim wok bilong ol rel bilong slaid rel. Mi hop yu bai luksave olsem sapos ol i putim ol rel bilong slaid, ol inap subim droa na pulim gut, na dispela i mekim em i gutpela moa long yusim.