The technologies and the products we use for the restoration of the organs are all approved by the Italian authorities appointed to supervise works of restorations, as well as being in compliance with the regulations and being of certified quality. If termites occur, the disinfestations is performed at the COOBEC facility in Spoleto, in the hypobaric room. Small parts of the pipe sheets are analyzed in Perugia, in the Sereco laboratories. All these phases are of crucial importance for the documentation and a possible reconstruction of the missing pipes.