11.   The blocking devices on televisions which would enable parents to keep their children from watching age-inappropriate programs.

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%
blocking 0.13%
blocking + n. >>共 132
scheme 11.53%
software 4.56%
assignment 4.02%
tactics 3.22%
sled 3.22%
back 3.22%
skill 2.95%
device 2.95%
fullback 2.68%
access 2.14%
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