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Ntshav Ncaj Ncaj Khov Siv Lub Ntoo Khaub Siv Rau Pob Khoom Ua Zaub Mov, Tab sis Tsim Nyog Ntim Ntim Cov Khoom Ntim Thiab Cov Khoom Noj Thiab Cov Hau Kev Tu.

Ntshiab ncaj nraim iav siv los npog cov khoom noj khoom haus, tab sis kuj tsim nyog rau lub hnab yas thiab lub cev thiab cov khoom tu plaub hau.

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Tug:
Borosilicate iav cia lub thawv yog ib qho zoo tshaj plaws xaiv los saib koj cov khoom hauv khw, tshwj xeeb kev tshwm sim, lossis ua ib lub hnab xaiv rau saum toj-txee thiab Reserve Strains.
Tom ntej:
Cov 4 Cov Ntoo Tsis Siv Hauv Cov Yeeb Me Nyuam Uas Tsis Yug Me Nyuam Yau Uas Muaj Cov Ntawv Uas Siv Cov Khib Nyiab, Nyuaj Ntseg, Thiab Cov Pob Twg Siab.