Chemical property testing: salt spray test of materials, corrosion test of stainless steel.

化学性能测试：材料的盐雾试验、不锈钢腐蚀试验等。

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Researchers didn't think they could test minuscule samples of materials and grasp their properties.

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Prisoners searched using the scanners had to volunteer to be part of the process, so all of the illegal materials detected during the test were carried by prison officers who agreed to be part of the trial.

BBC: Scanners ruled out for NI prison searches after pilot

Mjangos came up with his own bizarre explanation for his actions, including that he was in fact hired by boyfriends and husbands to see if the women would respond to requests for pornographic materials, a sort of fidelity test similar to what a private investigator might do to find a cheating spouse.

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