Pogwiritsa ntchito kuponya kwapamwamba kwambiri, makina athu amodzi amakhala ndi mphamvu komanso kulimba.Oyenera kumangiriza ndi kukonza zida, zomwe zimagwiritsidwa ntchito kwambiri popanga mzere wa msonkhano, ntchito zokonza ndi kukonza fakitale.