Organizations perform work to achieve a set of objectives. Generally, work can be categorized as either projects or operations, although the two sometimes are（）
A SEA ROOM TO BE KEPT FOR SAFETY AROUND A VESSEL，ROCK，PLATFORM，ETC.，OR THE PLACE ASSIGNED TO A VESSEL WHEN ANCHORED OR LYING ALONGSIDE A PIER，ETC means（）.
A vessel engaged in replenishment or transferring persons，provisions or cargo while under way can be regarded as（）.
When a vessel sees the other ahead or nearly ahead，by night she could see the masthead lights of the other in a line or nearly in a line or both side lights，（）shall be deemed to exist.
An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.
Access to a cargo pumproom on a tank vessel carrying grades A，B，C or D liquid cargoes shall be（）.
There is a possibility that small vessel，ice and other floating objects may not be（）by radar at an adequate range.
A notice of readiness is not valid unless it indicates that the vessel is ready to load or discharge as the case may be，at the time（）it is given.
（）should generally be used when handing rough or sharp objects.
On a vessel carrying grades A，B，C or D cargoes，enclosed spaces where sources of vapor ignition are normally present shall NOT be segregated from cargo tanks by（）.
A vessel constrained by her draught may，in addition to the lights prescribed for power-driven vessels in Rule 23，exhibit where they can best be seen（）or a cylinder.
More exact assessment of visibility when（）is used to determine the range of vessel or other objects in the vicinity.
From（）the information concerning the tons per inch or centimeter immersion of a vessel shall be usually found.
（） can be found on most medium to large merchant vessels even if the main engine is either a steam turbine or 2-stroke crosshead engine.
As operator of a 199 GT towing vessel sailing foreign，it shall be your duty to enter in the Official Logbook or other permanent record（）.
If the Charterer loads or discharges the vessel in a shorter time than is allowed to him by the lay days，he may be entitled to（）.
When welding or burning aboard a vessel, you must be certain that the space （）.
Vessels must be（）valid certificate of nationality or certificated of registry or license.
When a vessel signals her distress by means of a gun or other explosive signal，the firing should be at intervals of approximately（）.
A vessel may be unable to take proper and effective action due to the speed（）too high or，in some circumstances，too low.
Vessel propellers are classified as being right hand or left hand.A right hand propeller turns clockwise when viewed from______.
