Sailers Memorial, Lissabon
Building Material: Cover of Limestone Tiles
Tipo de sujidade: Moss, Sand Crepe, Graffiti, Plaster Blistering
Equipamento de limpeza: Facade Clean Trailer (FCT), 0.1–0.3 mm Glas Sand, Air with 3.5 bar or 51 psi pressure
Periodo de limpeza: Maio–Junho 1990
