GRAVITATIONAL
ALTERNATING
BATTERIES
CHEMICAL
HYDRULIC
ELECTRIC
FRANKLIN
THERMAL
KINETIC
FARADAY
CURRENT
ENERGY
LIGHT
SOUND
WIND
E
N
E
R
G
Y
B
A
T
T
E
R
I
E
S
A
E
O
O
E
S
O
N
O
I
I
J
E
L
E
C
T
R
I
C
V
O
L
O
V
F
T
C
K
X
B
Q
V
R
L
Y
I
O
L
T
A
U
U
O
H
O
D
O
U
V
O
B
A
F
I
O
I
C
N
N
X
L
G
G
I
G
O
X
D
C
C
U
H
S
I
S
O
D
L
B
I
A
Z
M
R
U
Z
H
I
O
E
O
I
Z
I
C
S
U
L
L
E
W
A
U
G
B
M
N
K
U
R
R
T
U
E
Y
V
T
F
F
U
K
I
N
E
T
I
C
U
T
A
R
M
E
Z
E
A
E
H
P
O
I
H
Z
H
I
N
I
T
R
P
I
A
R
Q
A
B
O
O
E
C
A
S
D
I
R
I
E
A
K
S
N
O
M
N
K
Y
H
U
P
H
O
L
T
V
N
V
E
Y
A
G
O
Y
I
A
M
T
F
Y
O
K
W
A
T
M
E
M
T
T
Z
U
U
D
E
H
V
D
O
N
O
R
K
X
D
A
I
U
E
A
R
A
J
E
C
R
U
A
P
G
V
R
O
Y
N
T
R
U
A
R
U
R
A
U
X
R
U
N
I
I
P
Z
G
B
X
S
A
A
I
M
D
L
G
F
E
E
I
H
Q
I
X
B
O
V
B
F
N
A
I
I
T
Y
M
X
T
Y
T
H
W
I
N
D
B
G
N
L
A
C
S
E
