Coasters, tej zaum tsuas yog ib lub npe, hauv qhov tseem ceeb, coasters muaj cov txiaj ntsig zoo, tshwj xeeb tshaj yog hom ntawm cov pob zeb zoo li tus ntug dej hiav txwv, uas tau hais tias yog coasters, tab sis cov duab zoo ib yam li melon noob khoom qab zib saucer. Ntau tsev neeg qee zaum siv ob qho tib si coasters thiab melon noob khoom qab zib saucers. Thaum lawv sib xyaw ua ke, tsis yog tias lawv tsis tuaj yeem sib txawv, tab sis cov haujlwm sib tshooj, uas ntxiv rau kev lom zem.
Ntau tus neeg siv cov ntoo coasters ua cov tais diav, thaum cov yas coasters yog siv los ntawm ntau tus neeg ua cov nas ncoo, thiab cov ntawv coasters yog cov neeg siv ntau dua.
