American hom tag nrho txuas ntxiv thawb-rau-qhib undermount tub rau khoom swb yog kub-muag rebound zais rails hauv Tebchaws Europe thiab Asmeskas. Nws yog ib qho tseem ceeb ntawm cov khoom siv niaj hnub no. Thawj feem ntawm txoj kev khiav yog tsim los nqus cov kev cuam tshuam, yog li txo kev puas tsuaj lossis kev pheej hmoo ntawm kev raug mob.