Always say hardware is particularly important, but many people always ignore their importance, just buy and make do with it. It doesn't matter now. Over time, the power of these gadgets will show up.
Take the floor drain as an example. How many families have encountered this situation:
1. The toilet still stinks after brushing it inside and outside three times
2. The floor drain in the bathroom seems to be blocked. Once you take a bath, you will be flooded with water
The floor was covered with soap bubbles left over from yesterday's bath
The stench of old age lingers on
Where is the floor drain installed