Dibandingkan dengan material penutup selokan lainnya seperti beton atau plastik, steel grating memiliki kelebihan dalam kekuatan dan daya tahan terhadap beban berat. House of Sampoerna [3]. Located in "old Surabaya"‚ this stately Dutch colonial-fashion compound was in-built 1862 and is particularly now a preserved historic website. Cited as th