Pampu ya thovu ya pulasitiki imatanthauzidwa ndi mphamvu yake yopanga thovu pamene ikupereka mankhwala. Pampu yamtunduwu ndiyodziwika bwino pantchito yokongola komanso yosamalira anthu, komwe thovu limayamikiridwa chifukwa chosavuta kugwiritsa ntchito komanso kuthekera kopereka kuchuluka kwake kwazinthu.