ADMINISTRATIONLOCAL Early Warning Systems installed on four risky slopes in AmpangEditor Selangor JournalJanuary 20, 2023January 21, 2023 by Editor Selangor JournalJanuary 20, 2023January 21, 2023 By Azian Aziz AMPANG JAYA, Jan 20 — Four risky slopes in Ampang have been installed with Early Warning Systems, to monitor soil movement that...