Hi  Jhojana, i am a HOT validator.

I notice you regularly tag buildings as building=house.

As a remote mapper it is hard to decide what the function of a building exactly is.

Therefor in HOT it is a rule of thumb to tag them as building=yes.

Check this video for more info:
https://www.youtube.com/watch?v=E1YJV6I_rhY

Thanks and please keep mapping.