Syndrome no ntau yam zoo ntawm tej marble thiab plaub:

1 saib zoo nkauj: txhua daim marble ntuj muaj cim ntuj designs thiab xim.

suab 2: feem ntau hais lus, zoo zoo pob zeb tapping, technical college, thiab melodious.

3 kuaj pom: kawm ntawv siab teeb kis marble ntuj, los yog pointer kom ib tug sib zog lub teeb moj bis rov qab los, kub uas kis tau tus mob.

4 cov cim ntawm cov khoom cua thiab tej marble thiab yog ib tug yooj yim ua kom yuam kev: tso ob peb ncos hydrochloric acid, yam marble thiab loj Chicken, dag marble yog tseem muaj zog thiab tej zaum tseem tsis npuas.

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