20mm ball proof Safegrid – to be used where; a walkway is in continuous use; traffic could go regularly beneath; or wherever men and women function underneath a walkway. Bentuknya berupa lembaran plat metal tebal yang kuat dan memiliki bilah-bilah seperti jaring. PT. Karya utama Steel sediakan stok steel grating https://maps.app.goo.gl/y1h5C1RvLr1PQKsp8