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

3. Fig. 2
Restoration performance of reagent 1 on motorcycle engine shell plate.
Forensic Science International  , 33-36DOI: ( /j.forsciint )
Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions

4. Fig. 3
Restoration performance of reagent 2 on motorcycle engine shell plate.
Forensic Science International  , 33-36DOI: ( /j.forsciint )
Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions

5. Fig. 4 Restoration performance of reagent 2 on automobile car frame.
Forensic Science International  , 33-36DOI: ( /j.forsciint )
Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions

6. Fig. 5 Restoration performance of reagent 3 on automobile car frame.
Forensic Science International  , 33-36DOI: ( /j.forsciint )
Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions