Cleaning continues with sponges, hoses, and toothbrushes all playing their part. Since the MAC Lab is a state-of-the-art conservation facility, you may think cleaning with anything less than state-of-the-art scientific equipment is oddly “low-tech”, and it is! It is also the gentlest, most careful way to remove dirt from historical timbers without damaging any surfaces, tool marks, nails or other inclusions that are on (or in) the possibly 200+ year old ship parts.