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  2. List of traffic separation schemes - Wikipedia

    en.wikipedia.org/wiki/List_of_Traffic_Separation...

    Some 15 TSS schemes can be found in this area: in the Red Sea is traffic using the Suez Channel while in the Persian Gulf much of the traffic comprises the (large) oil and gas tankers to Iran and Iraq. All TSS's here are governed by the IMO, except the Approaches to Yanbu which is the responsibility of the Kingdom of Saudi Arabia. Gulf of Suez

  3. Traffic separation scheme - Wikipedia

    en.wikipedia.org/wiki/Traffic_Separation_Scheme

    TSSs are used to regulate the traffic at busy, confined waterways or around capes. Within a TSS there is normally at least one traffic-lane in each main-direction, turning-points, deep-water lanes and separation zones between the main traffic lanes. Most TSS include 'inshore traffic zones' between the (outer) lines and the coast.

  4. Total suspended solids - Wikipedia

    en.wikipedia.org/wiki/Total_suspended_solids

    At the lower end, TSS relies on a cut-off established by properties of the filter being used. At the upper end, the cut-off should be the exclusion of all particulates too large to be "suspended" in water. However, this is not a fixed particle size but is dependent upon the energetics of the situation at the time of sampling: moving water ...

  5. Total sum of squares - Wikipedia

    en.wikipedia.org/wiki/Total_sum_of_squares

    In statistical data analysis the total sum of squares (TSS or SST) is a quantity that appears as part of a standard way of presenting results of such analyses. For a set of observations, y i , i ≤ n {\displaystyle y_{i},i\leq n} , it is defined as the sum over all squared differences between the observations and their overall mean y ...

  6. Office of Technical Service - Wikipedia

    en.wikipedia.org/wiki/Office_of_Technical_Service

    The Office of Technical Service (OTS; formerly known as the Technical Services Division (TSD) and Technical Services Staff (TSS)) is a component of the U.S. Central Intelligence Agency, [1] responsible for supporting CIA's clandestine operations with gadgets, disguises, forgeries, secret writings, and weapons.

  7. Train Protection & Warning System - Wikipedia

    en.wikipedia.org/wiki/Train_Protection_&_Warning...

    TPWS was developed by British Rail and its successor Railtrack, following a determination in 1994 that British Rail's Automatic Train Protection system was not economical, costing £600,000,000 equivalent to £979,431,929 in 2019 to implement, compared to value in lives saved: £3-£4 million (4,897,160 - 6,529,546 in 2019), per life saved, which was estimated to be 2.9 per year.

  8. Twin-screw steamer - Wikipedia

    en.wikipedia.org/wiki/Twin-screw_steamer

    A twin-screw steamer (or steamship) (TSS) is a steam-powered vessel propelled by two screw propellers, one on either side of the plane of the keel. [ 1 ] Arrangement

  9. RMS Transvaal Castle - Wikipedia

    en.wikipedia.org/wiki/RMS_Transvaal_Castle

    RMS Transvaal Castle was a British ocean liner built by John Brown & Company at Clydebank for the Union-Castle Line for their mail service between Southampton and Durban.In 1966 she was sold to the South Africa-based Safmarine and renamed S.A. Vaal for further service on the same route.