Tergantung asam-nya asam apa? Struktur kimia-nya seperti apa?
________________________________ From: Feri Superi <ferisup...@ymail.com> To: fisika_indonesia@yahoogroups.com Sent: Tuesday, January 8, 2013 1:04 PM Subject: [FISIKA] material tahan Asam salam kenal sodara... saya mau tanya material apa aja yg tahan terhadap sama...tolong bantu ya....
