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Definition Of:

Ballast

Transportation DictionaryBTS Transportation Dictionary
Material place on a track bed to hold the track in line and elevation and to distribute its load. Suitable material consists of hard particles (e.g., crushed rock, slag, gravel) that are stable, easily tamped, permeable, and resistant to plant growth. (TRB1)
Transportation Dictionary2K Group Shipping Dictionary
Heavy substances loaded by a vessel to improve stability, trimming, sea-keeping and to increase the immersion at the propeller. Sea water ballast is commonly' loaded in most vessels in ballast tanks, positioned in compartments right at the bottom and in some cases on the sides, called wing tanks. On a tanker, ballast is seawater that is taken into the cargo tanks to submerge the vessel to a proper trim.
See also: PCM , FEDI , QM , J Route , OK

 

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A: Page 1 of 6.

A.M. Peak Period
AAR
AB Valve
ABC
ABD Valve
ABDW Valve
ACFC
ACH
ACL
ACPI
ACS
ACSE
ACTS
ADP
ADSL
ADSP
ADTC
AEI Tag
AEP
AF
AFAIK
AFIPS
AFK
AFP
AFS
AG
AGP
AI
AIE
AIFF
AIX
ALU
AMS
ANSI
ANZEB
AOEMA
AOL
AP
APA
APAG
APCUUG
APE
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API
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ARCnet
ARP
ARPA
ARPANet
ARS
ARU
AS
ASC
ASCII
ASEB
ASF
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ASN
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AT&T
ATM
ATMI
ATP
ATR
ATS
AUI
AVI
AZEB
Abaft
Abandoned Runway
Abbreviated Injur...Abbreviated Instr...Abeam
Abort
Absolute Block
Absolute Permissi...
Absolute Signal
Accelerate Stop D...Acceleration Power
Access Restrictio...Access Rights
Accessible Stations
Accessible Vehicles
Accessory or Auxi...Accident
Accident Classes
Accident Conseque...Accident Incident
Accident Severity
Accident Type
Accident1
Accident2
Accident3
Accident4
Accident5
Accounting Change...Accreditation


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