Muaj ntau hom kua nplaum, thiab muaj ntau yam khoom siv muaj ntau daim ntaub ntawv. Yuav kom nplaum xylophone qhov loj thiab cov nplaum nplaum, yuav siv tau kua nplaum los yog rub tau. Dej kua nplaum yuav tsum siv kub. Thaum siv cov kua nplaum, muab cov kua nplaum tso rau hauv cov hlau ua ntej, ntxiv dej, thiab muab cov hlau lo rau hauv ib lub taub ntim dej (rhaub lub qhov ci tuaj) thiab ua kom sov nws txawv. Nyob rau hauv no txoj kev, lub kua nplaum yuav tsis raug siv tsis rov qab los, los sis nws yuav tsis hloov lub nplhaib ntawm lub kua nplaum. Thaum cov pwm ntub lawm, siv cov kua nplaum txias, thiab siv lub kooj kom rub nws nruj kom nruj nrog txoj hlua. Khaws cov kua nplaum rau hauv qhov chaw kom txog thaum nws ua kom tawv nqaij. Lub qhov ci tau zoo tuaj yeem siv zog nrog rau cov ntsia hlau me, uas yuav tsum tau nailed qhov twg tom qab ntawd cov khoom tiv thaiv tau chais cov nail.
Cov nplaum dej kua nplaum, yuav tsum tsis txhob qhuav txhuam nrog cov kua nplaum zoo. Cov kaus hniav tsis tas yuav muaj cua sov. Ua ntej siv, muab lub kua nplaum tso rau hauv dej txias, thiab ntau npaum li cas nws yuav tsum tau siv, nws yuav tsum tsis txhob tu qab mus txog rau tom ntej siv. Lub kua nplaum dissolves nyob rau hauv txog 20 feeb, thiab nws cov concentration yuav tsum zoo sib xws rau ntawm qaum txheej ntawm tuab qaub mis nyuj haus. Nws siv yog tib yam nrog dej kua nplaum. Cov roj hmab yuav tsum muab tso rau hauv ib lub pob zeb kaw thiab maj mam poob nws cov viscosity hauv cov pa. Kev tshuam, cov khoom siv, thiab cov kab uas siv tau los ntawm cov hlau nyias yuav tsum muaj xim nrog hluavtaws roj hmab ntawm lub piano ua ntej pleev xim. Tom qab ntawd, cov khoom yuav ruaj tau rau qhov chaw.
Cov kua nplaum no muaj peev xwm hloov tau los ntawm cov xim tsis muaj xim txaus nitrocellulose. Thaum siv, muab me me ntawm nitrocellulose cov kua roj vanish rau ntawm lub hau ntawm tus neeg hlau. Thaum nws yog tuab, siv nws zoo li dej kua. Xyuam xim yuav tsum them nyiaj thaum muab cov khoom me me los sib tw. Yog cov kua nplaum los ntawm cov hauv qab, cov kua roj vanish thiab cov roj txheej pov mus rau cov pob zeb lossis cov dej khov, ces tag nrho cov zog yuav poob. Thaum daim ntawv qhuav, lub kua nplaum yog siv los ua kua nplaum.
