TROLLEY
ENGINE
FORCE
PUSH
PULL
WIND
AWAY
X
P
Q
L
D
J
A
W
Q
O
B
Z
T
R
O
L
L
E
Y
E
S
E
W
A
U
N
O
Q
K
T
L
N
R
N
R
U
A
O
V
E
U
I
I
D
W
M
E
W
U
A
V
G
E
U
U
F
A
W
A
I
H
N
U
M
A
F
A
T
F
Y
E
E
H
D
X
E
O
Y
U
J
D
A
U
S
X
A
L
R
K
Y
N
D
L
P
U
P
T
I
C
I
I
E
V
U
O
P
K
C
E
E
W
M
H
I
P
U
L
L
I
N
O
