Replacing(更换)some things in your house at the right time can make you healthier.
Things | Toothbrush | Cutting board (切菜板) | Chopsticks | Blanket (毛毯) |
Main material | Plastic | Wood | Wood | Wool(羊毛) |
Cleaning way | Using warm water | Using hot water | Using hot water | Dry-cleaning |
Replacing reason | Causing a toothache | Producing bacteria(细菌) | Producing bacteria | Being worn out |
Replacing time | Every three months | Every three years | Every five months | Every five years |