91.   The preservative is used in police crime labs to prevent clotting in blood vials.

92.   The state crime lab expects to limit entry of fingerprints and convictions into databases used for criminal background checks.

n. + lab >>共 196
computer 11.31%
research 10.30%
crime 9.38%
photo 5.20%
science 4.59%
weapon 4.08%
meth 3.87%
drug 3.77%
government 2.34%
police 2.24%
crime + n. >>共 442
rate 15.50%
scene 14.15%
bill 6.89%
wave 4.70%
victim 3.89%
family 3.37%
statistic 2.37%
prevention 2.26%
syndicate 1.98%
lab 1.70%
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