Tsiaj Floating Pool Thermometer Dej Kub, Test Tube rau Sab Hauv Tsev lossis Sab nraum zoov Ua Si Spa Kub Tub

1. Nyeem cov ntsuas ntsuas dej ntab
2. Nrog dual Fahrenheit thiab Celsius zaub
3. Ua kom tiav txoj hlua khi kom tuav lub ntsuas kub ntawm qhov chaw