Non-destructive testing of objects and structures is a valuable tool. especially in cultural heritage where the preservation of the inspected sample is of vital importance. In this paper. a decorative marquetry sample is inspected with three non-destructive testing (NDT) techniques: air-coupled ultrasound. https://safeersappliancers.shop/product-category/bosch-serie-4-mbs533bb0b-electric-double-oven-black/