✅ Berbagai Ketebalan & Ukuran – Tersedia dalam berbagai spesifikasi, mulai dari timah hitam 1mm hingga 10mm, kaca timbal berbagai dimensi, dan pintu timbal berstandar rumah sakit.Common Acoustic Difficulties: The lack of audio insulation in several metal buildings results in echoes and reverberations, even further worsening the noise trouble.Pl