Keyphrases
Modal
68%
Law
59%
Human Activities
46%
World Wide Web
46%
English Modal Verb
45%
Economic System
42%
Computer Virus
41%
Scuba Diving
41%
Technological System
41%
Guard
41%
Vocalization
39%
Latin Language
38%
Electrical Wiring
34%
Historic Preservation
34%
Electrical Industry
34%
Living Things
34%
Insurance
34%
Personal Loss
34%
Belief Systems
34%
Burrow
34%
Bark
34%
Elements of Nature
34%
Clothing
34%
Protective Clothing
34%
Preservation Effort
34%
Environmental Phenomena
34%
Water Loss
34%
Security Measures
34%
Alarm System
34%
Historical Significance
34%
Intellectual Property Systems
34%
Protective Mechanism
34%
Physical Objects
34%
Financial Loss
34%
Everyday Use
34%
Anti-predator Adaptation
34%
Adult Animals
34%
Outside Forces
34%
Biological Membranes
34%
Cultural Significance
34%
Spheres of Activity
34%
Political Rights
34%
Spine
34%
Civil Rights
34%
Prehistoric Times
34%
Environmental Protection
34%
Diving
31%
Past Event
31%
Secondary Education
30%
Secondary School
29%
INIS
humans
100%
people
68%
computers
51%
food
49%
animals
46%
viruses
41%
control
41%
protection
40%
policy
38%
risks
36%
economy
35%
colleges
33%
internet
32%
education
31%
inventions
30%
shape
30%
wheels
30%
economics
29%
speech
28%
drugs
27%
children
27%
restaurants
27%
plastic surgery
27%
plastics
27%
devices
26%
power
26%
investigations
25%
usa
24%
universities
24%
legal aspects
23%
surgery
23%
schools
23%
underwater
20%
values
20%
learning
19%
range
18%
origin
18%
market
18%
business
18%
operation
18%
security
17%
resources
17%
communities
17%
equipment
17%
populations
16%
environment
16%
output
15%
death
15%
feeding
15%
pipes
14%
