ti' leti' áantajo'ob Humanitarian Engineers Without Borders 5.0 5.0 5 eek'o'obo' (basado ti' 1 óolnake'). Jach ma'alo'ob100%Taj ma'alo'ob0%promedio0%Óotsil0%terrible0% Tuméentrom22/02/2023 The term Engineers Without Borders (EWB; French: Ingénieurs sans frontières, ISF) is used by a Xook asab