Hammer

House-building

Hope this helps!

Insulation and in-wall speakers are building materials.

well i think that the building affected the area!

Does there have to be so many? Building them is either destroying habitats or causing deforestation.

building foundation is the base of any building which receive load from the building, resist it and transfer it to the subsoil. substructure is the structure below the ground floor bed including the ground floor bed. substructure composes of foundation, basement and ground floor bed.