ELECTRICITY
IMAGINATION
CANDLELIGHT
CREATIVITY
INVENTIONS
BATTERIES
CELLPHONE
INVENTED
SOLUTION
COMPUTER
CHANGED
PROBLEM
BATERY
USEFUL
WHEEL
IDEA
CAR
X
O
R
U
O
Q
H
M
N
V
T
E
I
Y
R
E
T
A
B
V
I
D
E
X
Q
I
H
W
S
N
U
A
N
X
Y
I
Q
N
I
I
I
E
W
P
O
Q
S
O
V
Y
A
A
S
M
A
M
S
U
I
M
A
G
X
I
A
U
L
J
C
E
L
L
P
H
O
N
E
L
R
U
E
N
G
E
V
U
I
O
D
E
T
N
E
V
N
I
B
I
M
P
D
A
Z
M
T
G
S
I
F
X
C
C
A
L
N
K
E
W
I
F
I
H
O
I
L
V
E
E
I
M
A
G
I
N
A
T
I
O
N
M
F
C
O
T
H
G
I
L
E
L
D
N
A
C
C
H
Q
G
B
N
O
N
G
J
E
U
R
W
O
U
P
F
Y
Y
O
B
W
H
Q
W
I
A
G
D
J
L
E
E
C
A
R
Q
C
T
M
O
H
V
U
G
C
I
A
P
U
T
T
O
E
V
O
R
M
I
P
Q
E
U
J
U
L
N
F
O
F
K
T
E
W
U
E
D
O
C
U
Z
E
K
S
F
T
V
O
T
C
U
A
Z
I
A
D
O
O
I
T
G
L
E
Z
P
U
E
E
P
C
A
B
T
T
Q
X
N
J
R
E
Y
F
J
N
Z
R
N
O
O
M
A
L
I
O
F
K
S
A
T
R
U
O
E
X
J
I
T
U
O
H
E
V
I
J
G
I
V
J
C
L
O
F
P
E
T
F
I
S
O
X
I
B
A
M
F
Q
J
I
E
U
U
N
T
Q
R
Q
O
E
Z
T
O
O
U
K
S
J
A
L
L
Q
G
U
O
I
Z
C
N
F
Y
X
I
R
Q
F
H
E
K
J
E
Y
I
U
D
H
J
C
S
I
I
P
R
O
B
L
E
M
U
W
H
O
C
B
W
O
U
