1) The knee society 
The TK (TK-3) and TKS were Polish tankettes during the Second World War. ==Design and development== The TK (also known as the TK-3) tankette was a Polish design produced from 1931 that was based upon an improved chassis of the British Carden Loyd tankette. The TKS was an improved model with a new hull and a more powerful engine. The armour of the ...
The Knee Society
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