Engineer invents manhole protector grid as an early warning system to prevent sewage spills
Civil engineer Chris Nganga Kimaru has developed a manhole protector grid (MPG) solution that uses GSM and Sigfox-enabled Internet of Things sensors and gateways to continuously monitor sewage flow https://www.engineeringnews.co.za/article/engineer-invents-manhole-protector-grid-as-an-early-warning-system-to-prevent-sewage-spills-2024-08-21