Description |
Ordering of Spare Parts |
500.50 |
Page 1 (2) |
Edition 01H |
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Whenever spare parts are ordered (or reference is made in correspondence etc.) the following data must be indicated for the particular engine:
1. Name of plant
2. Engine type and engine No ----, built by
3. Illustration plate number (complete with ed. figures)
4. Item No
5. Quantity required (and description)
L23/30H
These data are used by us to ensure supply of the correct spare parts for the individual engines, even though the spare part illustrations contained in this book may not always be in complete accordance with the individual components of a specific engine.
Note: For ordering of spare parts for governor, turbocharger and alternator, please see special instruction book for these components.
08028-0D/H5250/94.08.12
Information found on page 500.15 or on the nameplate on the engine(s):
Example: Name of plant |
Eng. type |
Eng. No. |
Built by |
DANYARD |
5L28/32H |
20433 |
MAN B&W Holeby |
Information found on each plate:
Plate No. |
Edition |
Item No. |
Qty. (and description) |
50601 |
13H |
10 |
10 pcs (Piston ring) |
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Plate |
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1 (2) |
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Piston |
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and |
Connecting |
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Rod |
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60601- |
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13H |
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08 |
L/V28/32H |
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09 |
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607 |
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608 |
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613 |
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- |
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614 |
91. |
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ES0S |
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14 |
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615 |
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616 |
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619 |
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620 |
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96.02 - ES2S-G
Description |
Ordering of Spare Parts |
500.50 |
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Page 2 (2) |
Edition 01H |
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L23/30H |
Name of Plant:
Engine type: |
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Engine Number: |
Built by: |
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Plate No |
Ed. No |
Item No |
Description |
Qty |
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08028-0D/H5250/94.08.12
Description |
Service Letters |
500.55 |
Page 1 (1) |
Edition 01H |
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L23/30H |
Description
In order to ensure the most efficient, economical, and up-to-date operation of our engines, we regularly send out "Service Letters", containing first-hand information regarding accumulated service experience.
The service letters can either deal with specific engine types, or contain general instructions and recommendations for all engine types, and are used as a reference when we prepare up-dated instruction book editions.
importancetotheoperationoftheplant,werecommend that engine staff to file them to supple-ment the relevant chapters of this instruction book.
Therefore, since new service letters could be of great
08028-0D/H5250/94.08.12
96.02 - ES0U-G
Description |
Conversion Table |
500.60 |
Page 1 (3) |
Edition 01H |
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SI Base Units
Quantity |
Name |
Symbol |
lenght |
metre |
m |
mass |
kilogram |
kg |
time |
second |
s |
electric current |
ampere |
A |
absolute temperature* |
kelvin |
K |
amount of substance |
mole |
mol |
luminous intensity |
candela |
cd |
*Also named "Thermodynamic temperature"
Supplementary SI Units
Quantity |
Name |
Symbol |
plane angle |
radian |
rad |
solid angle |
steradian |
sr |
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L23/30H
Length (m)
1 in (inch) |
25.40 mm = 0.0254 |
m |
1 ft (foot) = 12 inches |
0.3048 |
m |
1 yd (yard) = 3 ft = 36 inches |
0.9144 |
m |
1 statute mile = 1760 yds |
1609 |
m |
1 n mile (international nautical mile) |
1852 |
m |
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SI Prefixes
Factor |
Prefix |
Symbol |
Factor |
Prefix |
Symbol |
1018 |
exa |
E |
10-1 |
deci |
d |
1015 |
peta |
P |
10-2 |
centi |
c |
1012 |
tera |
T |
10-3 |
milli |
m |
109 |
giga |
G |
10-6 |
micro |
m |
106 |
mega |
M |
10-9 |
nano |
n |
103 |
kilo |
k |
10-12 |
pico |
p |
102 |
hecto |
h |
10-15 |
femto |
f |
10 |
deca |
da |
10-18 |
atto |
a |
Derived Si Units with Special Names
Quantity |
Name |
Symbol |
Expressed in base, |
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supplementary or |
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derived SI units |
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frequency |
hertz |
Hz |
1 |
Hz |
= |
1 s-1 |
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force |
newton |
N |
1 N |
= |
1 kg m/s2 |
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pressure, stress |
pascal |
Pa |
1 |
Pa |
= |
1 |
N/m2* |
energy, work quantity of heat |
joule |
J |
1 |
J |
= |
1 |
Nm |
power |
watt |
W |
1 |
W |
= |
1 |
J/s |
electric potential |
volt |
V |
1 |
V |
= |
1 |
W/A |
temperature |
Celcius |
°C |
1°C |
= |
1 k** |
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*For mechanical stresses N/mm2 is widely used. 1 N/mm2 = 106 N/m2
**t (°C) = T(K) - T 0(K), where T0 = 273.15 K
Additional SU Units
Quantity |
Name |
Symbol |
Definition |
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time |
minute |
min |
1 min |
= |
60 s |
time |
hour |
h |
1 h |
= |
60 min |
plane angle |
degree |
° |
1° |
= |
( p/180) rad |
volume |
litre |
l |
1 l |
= |
1 dm3 |
pressure |
bar |
bar |
1 bar |
= |
105 Pa |
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Area (m2)
1 sq. in (square inch) |
0.6452 x 10-3 m2 |
1 sq. ft (square foot) |
92.90 x 10-3 m2 |
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Volume (1 m3 = 1000 l)
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1 cub. in (cubic inch) |
16.39 x 10-6 |
m3 |
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1 cub. ft (cubic foot) |
28.32 x 10-3 |
m3 = 28.32 l |
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1 gallon* (imperial, UK) |
4.546 x 10-3 |
m3 = 4.546 l |
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1 gallon* (US) |
3.785 x 10-3 |
m3 = 3.785 l |
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1 barrel (US petroleum barrel) = |
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42 gallon (US) |
0.1590 |
m3 |
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1 bbl (dry barrel, US) |
0.1156 |
m3 |
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1 register ton = 100 cub. ft |
2.832 |
m3 |
* |
1 gallon = 4 quarts = 8 pints |
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Velocity, Speed (m/s) (3.6 km/h = 1 m/s)
1 kn (knot) = 1 nautical mile/h |
1.852 km/h = 05144 m/s |
For other conversions, see table for length
92.16 - ES0U
500.60 |
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Conversion Table |
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Description |
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Edition 01H |
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Page 2 (3) |
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L23/30H |
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Mass (kg) |
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Dynamic viscosity (N s/m2) |
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1 lb (pound mass) = 16 ozs (ounces) |
0.4536 kg |
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1 kp s/m2 |
9.807 N s/m2 |
= 98.07 P (poise) |
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1 cwt (UK) (hundredweight) = 112 lbs |
50.80 kg |
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1 poundal s/sq.ft |
1.488 N s/m2 |
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1 long ton (UK) = 20 cwt = 2240 lbs |
1.016 metric tons = 1016 kg |
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1 lbf/sq.ft |
47.88 N s/m2 |
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1 short ton (UK) = 2000 lbs |
0.907 metric tons = 907 kg |
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poise is a special name taken from the CGS system. 1 P = 0.1 Pa s |
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1 slug* |
14.59 kg |
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1 cP = 1 mPa s = 10-3 Pa s |
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*Unit and mass in the ft-lb-s system
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Kinematic viscosity (m2/s) |
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Density |
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1 sq.ft/s |
92.90 x 10-3 m2/s = 92.90 x 103 cSt * |
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1 lb/cub. ft |
16.02 kg/m3 |
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* 1 cSt (centi stokes) = 10-6 m2/s. Stokes is a special name taken from the |
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CGS system. 1 St = 10-4 m2/s |
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Force (1 kg m/s2 = 1 N)
1 kp (kilopound)* |
9.807 N |
1 poundal** |
138.3 x 10-3 N |
1 lbf (pound force) |
4.448 N |
*Can occasionally be found stated as kgf (kilogram force). Standard acceleration of free fall gn = 9.80665 m/s2
**Unit of force in the ft-lb-s system
Pressure
(1 N/M2 = 1 Pa, 1 bar = 105 Pa, 1 mbar = 10-3 bar)
1 kp/cm2 = 1 at = 0.9678 atm |
98.07 x 103 Pa = 0.9807 bar |
1 at = 735.5 mm Hg* = 10 m H2O** |
(T = 277 K) |
750 mm Hg* |
105 Pa = 1 bar |
1 mm Hg* (T = 273 K) |
133.3 Pa = 1.333 mbar |
1 mm H O** (T = 277 K) |
10-4 at = 9.807 Pa = 98.07 x 10-3 mbar |
2 |
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1 in Hg* (T = 273 K) |
3386 Pa = 33.86 mbar |
1 in H2O** (T = 277 K) |
249.1 Pa = 2.491 mbar |
1 atm (standard atmosphere) = |
760 mm Hg, 1.013 x 105 Pa = 1013 mbar |
1 atm = 1.033 at |
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1 lbf/sq.in (psi) |
6895 Pa = 68.95 mbar |
*Mercury. 1 mm Hg = 1 Torr
Values in Table provided gn = 9.80665 m/s2
**Water column (WC)
Stress ( 1 N/m2 = 10 -6 N/mm2)
1 kp/mm2 = 100 kp/cm2 |
9.807 N/mm2 |
1 lbf/sq. in (psi) = 0.07031 at |
6.895 x 10-3 N/mm2 |
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Energy, Work (1 Nm = 1 J, Wh)
1 cal I.T* |
4.187 |
J* |
1 kpm |
9.807 |
J |
1 hph (metric) |
2.648 x 106 J = 0.7355 |
kWh |
1 ft. lbf |
1.356 |
J |
1 hph (UK, US) |
2.685 x 106J = 0.7457 |
kWh |
1 BTU (UK, US) |
1.055 x 103J = 1.055 |
KJ |
*Exact value: 4.1868 J
I.T. = International Steam Table
Power (1 kg m2/s3 = 1 N m/s = 1 J/s = 1 W)
1 kpm/s |
9.807 |
W |
1 hp (metric) = 75 kpm/s |
735.5 |
W = 0.7355 kW |
1 kcalI.T./h |
1.163 |
W |
1 ft lbf/s |
1.356 |
W |
1 hp (UK, US) = 550 ft.lbf/s |
745.7 |
W |
1 BTU/h |
0.2931 |
W |
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Moment of Force, Torque (kg m2/s2 = Nm)
Can easily be derived from the above tables.
Moment of Inertia (kg m2)
1 |
GD2 (old notation) |
= 4 x I* kg m2 |
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1 |
WR2 (old notation)* |
= 1 x I* kg m2 |
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*I = ò dm x r2 |
m |
= mass at the radius r |
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r |
r |
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G = W = mass in kg |
D = Diameter of gyration |
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R = Radius of gyration
92.16 - ES0S
Description |
Conversion Table |
500.60 |
Page 3 (3) |
Edition 01H |
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Specific fuel consumption* (g/kWh)
1 g/hph (metric) |
1.360 g/kWh |
*See also table for specific fuel oil consumption values
Temperature difference (K)
1 °C (Celsius) |
1 K |
1 °F (Fahrenheit) |
5/9 K |
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Temperature levels (K) (see "Derived SI Units with special Names)
t °C (Celsius) |
t c + 273.15 = K |
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t°F (Fahrenheit) |
5/9(t f - 32) |
+ 273.15 = K |
Celsius from Fahrenheit: |
tc = 5/9(tf - |
32) |
Fahrenheit from Celcius: |
tf = 9/5 x tc + 32 |
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Specific heat capacity (J/(kg K))
1 kcal /(kg x °C) |
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4.187 x 10 3 |
J/(kg K) |
I.T. |
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/(kg °C) |
4.187 x 10 3 |
J/(kg K) |
1 BTU*/(lb x °F) = 1 kcal |
I.T. |
*British Thermal Unit (see table for energy conversions)
L23/30H
Some physical data in SI units |
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Nomenciature |
DK = temperature difference |
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t = temp. in °C |
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r = density in kg/m3 |
Cp = heat capacity in J/(kg DK) |
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t |
r |
Cp |
t |
Cp |
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range |
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Water |
18 |
999 |
4.18 x 103 |
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Lubricating oil (approx.)* |
15 |
900 |
1.96 x 103 |
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Atmosphereric air (dry) (p= 1 bar) |
0 |
1.276 |
998 |
0-150 |
1005 |
Exhaust gas |
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200-400 1080 |
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* Viscosity: 100-140 cSt at 40°C |
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750 mm Hg = 1 bar = 105 Pa |
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1 atm (standard pressure at sealevel) = |
760 mm Hg = 1013 mbar |
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Gas constant for air and exhaust gas |
= |
287 J/(kg x K) |
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Water, heat of evaporation 100°C |
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1.013 bar |
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2.256 x 10 6 J/kg |
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Fuel oil. Lower caloric value |
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41-43 x 106 J/kg |
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ISO 3046/1-1986 standard reference fuel |
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43 x 106 J/kg |
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Diesel engine reference fuel |
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(see below) |
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Specific fuel oil consumption (SFOC)
Heat conductance (W/(m K))
1 calI.T./(cm x s x °C) |
418.7 |
W/(m K) |
1 kcalI.T./(m x h x °C) |
1.163 |
W/(m K) |
1 BTU*/(ft x h x °F) |
1.731 |
W/(m K) |
*British Thermal Unit (see table for energy conversions)
Reference conditions
Specific fuel oil consumption values refer to brake power, and the following reference conditions:
Reference Conditions (ISO) |
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Blower inlet temperature 25°C |
298 K |
Blower inlet pressure |
1000 mbar |
Charge air coolant temperature 25°C |
298 K |
Fuel oil lower calorific value (10200 kcal/kg) |
42707 kJ/kgk |
Heat transmittion (W/(m2 K))
1 cal |
/(cm x s x °C) |
41.87 x 10 3 |
W/(m2 |
K) |
I.T. |
1.163 |
W/(m 2 |
K) |
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1 kcal |
/(m" x h x °C) |
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I.T. |
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1 BTU*/(ft2 x h x °F |
5.678 |
W/(m 2 |
K) |
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92.16 - ES0U