Cov menyuam yaus cov thawv rau menyuam yaus tsuas yog suav nrog cov hom hauv qab no:
Caij-on thiab zaum-ntawm Hom: Hom kev tsim qauv tshwj xeeb no muaj kev lom zem rau niam txiv {2)
Tas luav hom: feem ntau yog luam tawm nrog cov menyuam yaus nyiam ua kom muaj menyuam yaus, tab sis kuj tsis yog tus me nyuam me me yog cov sawv cev ntawm cov hom no .
Hnav cov khoom lag luam: Cov khaub ncaws hnav no yog qhov tsim nyog rau cov kev sib tw luv luv thiab cov khoom lag luam kom ruaj khov, haum rau cov tub ntxhais kawm thiab cov menyuam yaus {1}.
Multifunctional: hom khaub ncaws no tsis tsuas yog muaj kev ua haujlwm ntawm cov neeg trolley, tab sis kuj tseem siv tau cov khoom siv trolley
