Which MiG-29 fighters for Ukraine? [COMMENT]

Both the president and the Prime Minister of Poland have already announced the imminent handover of Polish MiG-29 fighters to Ukraine, which will end more than 30 years of service of these highly deserving for the country's defence and for many iconic machines. In connection with reports of handing over only parts of aircraft, it is essential to answer the question of which machines we will hand over.