Duration units used in Efti from UNECE Recommendation 20 (UNECE (UN/EDIFACT) codes 6411) See https://unece.org/trade/uncefact/cl-recommendations Linear units used in Efti from UNECE Recommendation 20 (UNECE (UN/EDIFACT) codes 6411) See https://unece.org/trade/uncefact/cl-recommendations Temperature units used in Efti from UNECE Recommendation 20 (UNECE (UN/EDIFACT) codes 6411) See https://unece.org/trade/uncefact/cl-recommendations Volume units used in Efti from UNECE Recommendation 20 (UNECE (UN/EDIFACT) codes 6411) See https://unece.org/trade/uncefact/cl-recommendations Mass (weight) units used in Efti from UNECE Recommendation 20 (UNECE (UN/EDIFACT) codes 6411) See https://unece.org/trade/uncefact/cl-recommendations