Forensic Science International Restoration of obliterated engraved marks on steel surfaces by chemical etching reagent Qingfang Song Forensic Science International Volume 250, Pages 33-36 (May 2015) DOI: 10.1016/j.forsciint.2015.02.018 Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
Fig. 1 Device used to engrave the steel plates with steel stamp. Forensic Science International 2015 250, 33-36DOI: (10.1016/j.forsciint.2015.02.018) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
Fig. 2 Restoration performance of reagent 1 on motorcycle engine shell plate. Forensic Science International 2015 250, 33-36DOI: (10.1016/j.forsciint.2015.02.018) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
Fig. 3 Restoration performance of reagent 2 on motorcycle engine shell plate. Forensic Science International 2015 250, 33-36DOI: (10.1016/j.forsciint.2015.02.018) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
Fig. 4 Restoration performance of reagent 2 on automobile car frame. Forensic Science International 2015 250, 33-36DOI: (10.1016/j.forsciint.2015.02.018) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
Fig. 5 Restoration performance of reagent 3 on automobile car frame. Forensic Science International 2015 250, 33-36DOI: (10.1016/j.forsciint.2015.02.018) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions