Nws yog qhov ua tau kom paub tseeb hauv tsev hauv qhov tseeb ntawm qhov khoom lag luam kub, tab sis kev ntseeg tau ntawm qhov txiaj ntsig tsuas yog 80-90 feem pua. Cov tshev yooj yim hauv qab no tuaj yeem zoo nkauj dua kom koj hnav los ntawm hnav lub trinket.
Tej zaum txhua tus paub hais tias cov khoom muaj nqi tsis muaj hlau nplaum txhua lub sijhawm, yog li ntawd, yog tias koj cov khoom tsis hnov mob txhua lub hlau nplaum, ces feem ntau yuav yog kub.
Txawm li cas los xij, hauv qhov no, nws tsim nyog nco ntsoov tias txhuas, tooj liab ornaments nrog kub tsis cuam tshuam rau cov hlau nplaum los ib yam nkaus. Ntawm no, ua ntej ntawm tag nrho cov, koj yuav tsum tau them sai sai rau qhov tseeb tias cov khoom lag luam muaj ntau sib dua li kub kub, vim tias kub yog cov khoom siv uas ntom ntom thiab hnyav dua.
Kiag li txhua yam hlau, yog tias tuav dua ib qho tsis muaj qhov khoob cov nplais pob zeb, nplooj ib co kab, kub yog tsis muaj qhov tshwj xeeb. Txheeb xyuas qhov tseeb ntawm cov nyiaj kub ua kom kub, koj yuav tsum coj lawv nrog txoj kev pob zeb saum npoo, tom qab ntawd saib ntawm txoj kev taug. Yog tias cov khoom yog kub, ces cov kab yuav yog kub, yog tias tsis yog xim dub, txho lossis xim av.
Lwm qhov kev xaiv los kuaj kub rau kev kuaj qhov tseeb yog siv cov nyiaj nitrate. Koj tuaj yeem yuav nws hauv txhua lub tsev muag tshuaj, hauv cov tshuaj nws yog siv los ntxuav cov qhov txhab thiab hu ua lapis mem hluav.
Yog li, nws yog ib qho tsim nyog yuav tsum tau me ntsis ya raws cov hlau nrog dej, tom qab ntawd ua kev khiav ntawm cov khoom. Yog tias cov yam ntxwv tsis pom, ces cov khoom yog kub.
Kub yog kub muaj hlau uas tiv taus tshuaj lom heev. Qhov tshwj xeeb ntawm cov hlau zoo no tso cai rau koj txheeb xyuas nws qhov tseeb los ntawm kev thov cov tshuaj iodine zoo tib yam los yog kua qaub rau nws. Cov tshuaj no tsis tso ib co khoom ntawm kub; rau qhov ntawd, cov duab sib txawv muaj nyob ntawm lwm cov hlau (qhov no nyob ntawm cov hlau tshwj xeeb).