ʻO ka pena ʻana he hana hoʻopau maʻamau i hoʻohana ʻia ma nā ʻāpana no ka pale ʻana iā lākou mai ka ʻinoʻino a me nā ikaika kaiapuni.Hoʻohana pinepine ʻia e like me ka hoʻopau cosmetic no nā ʻāpana o waho.Nui nā ʻano pena pena i hoʻohana ʻia no ka hoʻopau ʻana i kahi ʻāpana.ʻO kekahi o nā ala kaulana, ʻo ia ka pena spray, ka pena electrostatic, ka palaki ʻana, a me ke kuʻi ʻana.

Loaʻa i nā pena nā ʻano like ʻole i loaʻa nā waiwai kūikawā a me nā mea nani.Hiki i nā pena ʻokoʻa ke hāʻawi i ka palekana nui aʻe mai nā kaiapuni kikoʻī i hana ʻia ai ka ʻāpana.No ka paʻi pololei a me ka like ʻole, hiki ke hoʻohana ʻia nā ʻōnaehana automated.Hāʻawi ʻo Prolean i ka nui o nā pena no nā ʻāpana hana.