| 摘要 |
A method of collecting trace evidence comprises covering a surface with a sheet material comprising a sheet of material having a first side and a second side. The first side comprises an active side exhibiting an adhesion peel force after activation by a user which is greater than an adhesion peel force exhibited prior to activation by a user and which is sufficient to adhere to a target surface. The sheet of material is sufficiently flexible to conform readily to a desired surface and has sufficiently small resiliency that it does not exert undue restorative forces which would tend to cause the sheet of material to break contact with the desired surface. The sheet material is pressed on the target surface. The sheet material is removed from the surface wherein trace evidence adheres to the sheet material.
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