21.   Volunteers are being asked to step into a body scanner where a grid of white light rays are projected onto the body.

n. + scanner >>共 100
police 15.99%
radio 8.12%
body 5.33%
color 4.57%
flatbed 4.57%
fingerprint 4.06%
computer 3.81%
laser 3.81%
bar-code 3.55%
virus 2.79%
body + n. >>共 670
part 22.79%
temperature 4.45%
weight 4.07%
fat 3.70%
armor 2.47%
heat 1.79%
type 1.75%
guard 1.65%
tissue 1.49%
movement 1.47%
scanner 0.49%
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