The primary goal for conservators and restorers is the preservation of cultural property. They make hanji for artists, calligraphers, conservators, temples, and laypeople. The conservation and restoration of paintings is carried out by professional painting conservators. The current managers are Norwich City Council and the Mousehold Heath Conservators. Bertalmio proposed a method of structural inpainting that mimics how conservators address painting restoration. The conservators specialise in particular areas of conservation. It was acquired by the conservators in 1994 and is now undergoing restoration. Some commons are managed by Boards of Conservators for the wider public benefit. The Commons are administered by eight Conservators. The levy payers are entitled to vote for the five elected Conservators. Instead the corporation was appointed as Conservators of the Forest. The common is administered by a body called "The Commons Conservators". English Nature works with the Conservators on the management plan for the area.