麻豆视频

聽 聽 聽 聽 聽 聽 聽 聽 聽 With extremely cold weather, many people will assume ice surfaces are safe without checking. But, it鈥檚 important to always test the depths before venturing onto an ice surface.

聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 Factors regarding ice thickness according to the Red Cross includes:

-聽聽聽聽聽聽聽 Water depth and size of body of water.

-聽聽聽聽聽聽聽 Currents, tides and other moving water.

-聽聽聽聽聽聽聽 Chemicals including salt.

-聽聽聽聽聽聽聽 Fluctuations of water levels.

-聽聽聽聽聽聽聽 Logs, rocks and docks absorbing heat from the sun.

-聽聽聽聽聽聽聽 Changing air temperature.

-聽聽聽聽聽聽聽 Shock waves from vehicles traveling on the ice.

Ice Colour

-聽聽聽聽聽聽聽 The colour of ice may be an indication of its strength.

-聽聽聽聽聽聽聽 Clear blue ice is strongest.

-聽聽聽聽聽聽聽 White opaque or snow ice is half as strong as blue ice. Opaque ice is formed by wet snow freezing on the ice.

Grey ice is unsafe. The grayness indicates the presence of water.