Panto tugas beurat anu tahan seuneu awét pisan, sareng résistansi kana deformasi tekanan angin ogé kuat pisan. Ieu téh mangrupa jenis panto pikaresep keur loba warga tinggi-naékna. Propil panto beurat-tahan seuneu dijieunna tina aluminium, strontium, tambaga, magnésium, mangan jeung alloy lianna, nu boga kaunggulan hébat dina kateguhan.

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