1.   Although nuclear war is still an important concern, the security threat has expanded to include crude nuclear devices, chemical and biological weapons and radiological devices.

2.   As the early crude X-ray devices improved and uses proliferated, Europe was heading toward war.

3.   But the drawing got better, although not without a crude device he wore on his face, a big pair of goggles, the lens like magnifying glass.

4.   He was arrested on weapons charges after police found a zip gun, a crude homemade device for shooting nails and other projectiles, in his basement.

5.   One investigator said the bomb, which had been placed under a seat, was a crude device that was triggered by a timer.

6.   Terrorists could spread radiation by attaching conventional explosives to the radioactive material or by assembling a crude nuclear device there.

7.   The first bombs, crude devices whose explosive material consisted of match-heads, were the work of the bomber when he was still an amateur.

8.   The states saw to it that their large black populations were kept politically powerless, by gerrymandering or by crude devices to keep blacks from voting.

9.   They have yet to assemble a deliverable bomb, but they have all the makings at least for crude devices, and India long ago tested one.

10.   Police described bombs as crude devices.

a. + device >>共 1590
explosive 10.01%
electronic 5.49%
medical 5.45%
nuclear 3.96%
new 3.19%
wireless 1.86%
hand-held 1.78%
handheld 1.67%
listening 1.48%
incendiary 1.44%
crude 0.26%
crude + n. >>共 547
price 18.37%
bomb 9.24%
export 3.58%
future 2.91%
supply 2.18%
inventory 1.97%
production 1.71%
stock 1.40%
import 1.35%
language 1.19%
device 1.19%
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