Koinei te papa takahuri 8 apa mo te hua PC whakauru. Ko te mutunga o te OSP (Organic Surface Preservative) he momo taiao-hoahoa, he kaakaariki tae noa ki te whakataurite ki etahi atu mutunga PCB Maama-kore, he maha ake nga matū kawa, he nui ake ranei te kohi kaha. He pai te mahi mata koreutu a te OSP, he papa papatahi te papa mo te SMT Assembly, engari he poto noa te waa.