Thorn Sreynich uses ECM-1 to sweep her school campus in Kandal province. PHOTO SUPPLIED

Teens craft eco-clean STEM powered machine in Kandal
Publication date 11 September 2023 | 21:12 | ICT

It’s neither a scooter, nor a go-cart, and certainly not a harvesting machine. The Eco-dust Cleaning Machine Version 1 (ECM-1) is a small electric car fitted with a back-support chair and equipped with a sweeping system.

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