English to Polish Tech/Engineering Engineering (general) Standards

The 200 mm wide test specimen shall be folded as shown in Fig. 1 and is inserted between the arms of a close fitting stirrup, and a 2,5 mm diameter sharpened nail shank is pushed through locating holes in the stirrup arms such that the shank pierces one layer of the specimen along the centre line at a distance of 50 mm from the free end inside the stirrup