<prompt> Mutsara 1: Post-metallocene inoreva kirasi ye metallocenes catalysts isiri yakafanana. Mutsara 2: Post-metallocene inoreva kirasi ye metallocene catalysts isiri yakafanana. Mubvunzo: Mutsara wokutanga nomutsara wechipiri unoreva chinhu chimwe chete here? Hungu kana kuti Aiwa?  <response>: Hungu 