(MENAFN - Muscat Daily) A total of 151 artefacts have been restored so far in the third phase of the National Museum's preventive conservation programme. Since November 3, a team consisting of six conservators are working in coordination with experts from Portugal to restore metal artefacts, pottery and ceramics from the Samad Period/Iron Age, and from regions like China, Japan and Europe.The third phase will conclude on Thursday. Restored artefacts include a serving dish made in Britain belonging to Sayyid Hamed bin Thuwaini who ruled Zanzibar between 1893 and 1896, a khanjar, pieces of building material from a mosque in Qalhat and pottery dated 2500BC.Addressing the media, Jamal Hassan al Moosawi, the director of the National Museum, said, ''The Portuguese team support us in training Omani museum professionals and helped build national capacity.''''Christine Parselle, who is a consultant at The Louvre in Paris, France will join the team as a visiting conservator in February 2013, for a year,'' he added. The team will also start the fourth phase of the programme in February.Head of the Portuguese delegation and the preventive conservation team, Rui Xavier from the Calouste Gulbenkian Foundation, a charitable foundation, said, ''I am pleased to work for this project, that too on restoration procedures that are recognised globally.''