The developing Ebola crisis in West Africa has prompted some owners to halt projects in affected countries and evacuate employees and contractors. Others are stepping up measures to cushion their employees from the deadly virus that has killed at least 1,060 people and infected another 1,975 across Liberia, Nigeria, Guinea and Sierra Leone.Some forecasters see economic impacts from the outbreak on affected countries.Luxembourg-based steel and mining company ArcelorMittal announced earlier in August that it has suspended the second phase of its iron-ore expansion project in Liberia meant to increase shipments from 4 million tonne-per-year to 15 million by the end