CONSTRUCTION
PESTICIDES
CHEMICALS
ACIDRAIN
VOLCANOE
PLASTIC
FLOODS
GASES
TRASH
SMOKE
WASTE
FIRES
Y
Z
Q
O
V
O
K
B
N
A
O
L
L
G
A
S
E
S
L
M
L
N
L
P
E
S
T
I
C
I
D
E
S
E
H
N
H
K
P
U
K
V
O
L
C
A
N
O
E
N
J
U
C
A
C
V
M
E
U
I
I
O
F
X
K
O
K
A
G
U
Y
C
I
O
L
G
Z
O
C
I
B
T
R
O
X
S
P
O
D
I
T
F
I
K
A
T
O
I
Y
S
J
C
P
M
L
W
C
D
S
C
Z
L
D
U
N
I
U
E
G
I
O
O
L
U
P
R
A
U
Z
R
K
R
S
Y
C
J
I
I
T
K
Y
L
P
A
L
T
G
A
K
U
T
S
S
I
T
A
Z
E
U
O
H
I
P
J
H
I
G
I
R
L
E
J
B
B
Z
F
C
A
A
N
U
W
P
H
M
W
U
A
R
A
Z
W
U
S
S
U
E
N
K
O
B
V
D
B
C
C
I
S
F
J
N
O
U
A
A
G
I
W
F
H
O
M
T
I
F
H
R
E
J
P
R
N
I
S
U
I
A
S
G
J
I
M
L
O
J
V
I
X
Y
A
O
P
I
U
O
A
U
R
O
E
O
U
O
Y
I
L
L
W
E
V
N
A
B
R
S
O
N
H
O
Y
H
K
S
J
X
T
O
U
D
V
X
T
V
D
I
C
D
K
T
G
U
U
B
O
X
E
G
U
U
A
P
P
W
A
S
T
E
T
K
J
Q
G
L
E
