A fingerprint under analysis, part of a poster I posted here : m-1981.deviantart.com/art/POLAR-651771785<br/>指紋<br/>analysis、biometric、crimescene、criminal、evidence、fingerprint、I.D.、id、identity、perpetrator、polar、police、trace<br/>分析、生物識別、犯罪現場、刑事、證據、指紋、ID。、ID、身分、肇事者、極性、警察、跟踪<br/>資料來源：openclipart ( https://openclipart.org/ )