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
O
S
C
K
B
S
V
O
O
H
S
J
E
L
E
C
T
R
I
C
H
W
L
O
B
W
T
I
D
Z
A
G
T
C
L
C
Z
E
P
G
A
U
V
T
H
D
A
A
S
C
G
K
A
R
O
V
O
O
N
N
E
K
G
N
N
U
A
F
A
L
C
U
I
U
J
I
O
D
R
I
I
A
V
O
U
Z
Q
Z
I
V
R
E
E
I
I
C
K
A
L
L
R
Y
I
U
N
A
M
A
S
C
L
O
T
U
G
F
Y
T
E
E
U
K
I
N
E
T
I
C
B
Z
A
R
F
N
W
E
I
A
A
B
J
O
H
I
O
A
N
A
T
R
V
O
A
R
E
K
I
A
Z
J
C
I
L
I
I
H
I
E
A
F
S
N
F
K
O
X
Y
F
Q
H
H
R
L
X
V
N
R
R
D
A
L
A
R
R
A
S
T
E
Y
C
K
U
A
T
T
U
B
T
P
V
C
U
D
X
H
Z
D
W
N
U
R
I
J
V
I
I
I
A
A
I
A
V
E
X
R
C
A
E
G
U
I
U
U
N
L
O
B
T
R
U
R
U
U
L
R
U
F
B
U
E
U
G
A
T
Y
E
A
V
M
Z
L
O
F
B
E
J
H
P
X
G
S
U
I
A
F
E
A
R
I
I
I
T
O
I
N
T
K
W
I
N
D
E
D
Q
L
F
C
I
T
