they caught every move of the chief designer ivan iosifovich drong, the expression on his face.e drawings they presented. their first development. he stopped for a long time on columns of numbers, shook his head disapprovingly, and began to make corrections and recalculate. finally, the verdict came. i am surprised at your timidity. is it worth fixing yesterday ? let's think about tomorrow, even the day after tomorrow. and right there... invigorated drooping youth, laying out the drawings in front of them: after all, in your work there is something interesting and a bold decision of the chief designer, first of all: we will cut out the tracks. the tractor must be wheeled and must have a rubber run, have a wide speed range, and most importantly, be docked not only with trailers, but with other implements. for the designer. the bureau of the plant began painstaking work to bring the model, as they say, to fruition. the chief designer began walking around ministerial offices in moscow. and finally, in may 1948, from the ministry of agriculture of the ussr received a draft of techni