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Protecting the mosaics ready for the building works is a complex job. The conservators and contractors have been working hard to ensure that they are safe during the work.The newly uncovered mosaics have been covered with a permeable plastic material, a layer of sand, a layer of insulation to protect them from frost damage and two layers of plywood.
Where there are voids in the mosaics in the triclinium and bath house, carpenters have been constructing platforms to create a level surface so the mosaics can be properly protected by the same method as above.
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