2026-05-28
PTFE i luga o togafitiga mo le pipi'i fa'apipi'i e fa'aaogaina auala autu e lua: fa'afefeteina maualuga (maualuga le tau tetee, 9.5 MPa malosi ma so'o fa'atasi, ae fa'asaoina kasa oona) ma le sodium-naphthalene etching (5 MPa fa'apipi'i vave, vaapiapi 24-48 itula fa'amalama, otaota matautia). Filifili e fa'atatau i le fa'atonutonuina o le si'osi'omaga ma le fa'atinoga o taimi umi vs.
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