water heater

Cause hot water bottle leak and how to prevent it
In order to avoid the tragic deaths of electric shock when using hot and cold water bottles, people need to equip themselves with safety knowledge when using hot and cold water
4 ways to keep the heater hot and cold in the winter
In winter or chilly days, the need to use the heater will be more. So, how to use a hot and cold bottle to always save electricity is of great interest.