L 3 Portable Improved Cookstove Assembler – (NQR Code : 2022/ES/SCGJ/06018) L 4 Improved Cookstove Installer – (NQR Code : 2022/ES/SCGJ/06019) Clean Cookstove Sales and Maintenance Executive – (NQR Code : 2022/ES/SCGJ/06020) L 5 Clean Cookstove Distributor – (NQR Code : 2022/ES/SCGJ/06021)