economic - profitable, cost-effective, viable, financial, commercial, trading⏎
make - create, form, build, produce, compel constitute⏎
failed - unsuccessful, fallen short⏎
gauge - measure, estimate, judge⏎
manipulate - control, influence, deceive, operate, misuse⏎
employ - use, engage, recruit, hire⏎
functional - working, practical, useful, instrumental⏎
establish - create, start, become successful demonstrate⏎
harass - upset, annoy, frighten, intimidate, bully, exert force upon, pressurise, pressurize (a person or people)⏎
error - mistake, misjudgment⏎