Saiki ana akeh gaya kanggo alangan swara, nanging kita nuduhake utamane babagan materi, wujud, lan penampilan.Ayo dideleng.(1) bahan penghalang swara Kalebu: bahan logam, bahan fiberglass, piring baja warna, papan PC, busa aluminium, piring aluminium.Amarga kita biyen ...
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