11.   The hazards include large door openings, and doors that are light and easy to open.

n. + include >>共 1161
package 1.87%
group 1.67%
list 1.51%
plan 1.49%
measure 1.18%
figure 1.13%
speaker 1.10%
symptom 1.06%
coverage 0.91%
dead 0.87%
hazard 0.02%
hazard + v. >>共 58
be 47.12%
include 5.76%
associate 3.66%
pose 3.14%
exist 2.62%
come 2.62%
lie 2.09%
remain 2.09%
lurk 1.57%
seem 1.57%
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