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MS 1970 is the 
MS 1970 is the ski jumping
Ski jumping is a winter sport in which competitors aim to achieve the farthest jump after sliding down on their skis from a specially designed curved ramp. Along with jump length, competitor's aerial style and other factors also affect the fin ...
venue in Štrbské Pleso
Štrbské pleso (, german: Tschirmer See, pl, Szczyrbskie jezioro, hu, Csorbató or ) is a picturesque mountain lake of glacial origin and a top tourist destination in the High Tatras, Slovakia. It is the second-largest glacial lake on the ...
, Slovakia
Slovakia (; sk, Slovensko ), officially the Slovak Republic ( sk, Slovenská republika, links=no ), is a landlocked country in Central Europe. It is bordered by Poland to the north, Ukraine to the east, Hungary to the south, Austria to the ...
. The MS 1970 A is a K-125 and the MS 1970 B is a K-90. The K-90 has plastic mattings and is often used.
References