Fig. 11
Stage 2 evaluation of the performance of the novel cleaning systems and PU sponges in on the M2-Pu mock-ups with ratings from 1 (poor) to 5 (good). BC before cleaning, AC after cleaning
Fig. 11 | Heritage Science
Stage 2 evaluation of the performance of the novel cleaning systems and PU sponges in on the M2-Pu mock-ups with ratings from 1 (poor) to 5 (good). BC before cleaning, AC after cleaning