The purpose of their confidence course is not to present obstacles but to develop your confidence.
High shipping costs routinely present obstacles for business projects in Greenland, 2,000 miles west of Denmark, the island's colonial and economic power.
Saving is restricted to predetermined points and certain levels present obstacles that some have declared too challenging to overcome.
Language difficulties and long working hours in the catering trade present major obstacles to many Chinese people in accessing mainstream health provision.
Despite the progress made by the international relief effort, the logistical and political hazards of working in the Sudan still present significant obstacles.
In addition, many of the abandoned items, including pneumatic mail tubes, present large obstacles for those doing utility work, he said.
Joggers traveling against the traffic present unexpected obstacles that cause accidents when other travelers block escape routes.
That is the "chief present obstacle to a better understanding of the physical world," Maddox says.
In consumer class actions, legal experts say, Microsoft has defenses that will lessen its potential liability and present formidable obstacles for plaintiffs.
The hospitals' serious money problems present obstacles to dissolving the financial ties that still bind them, and officials say a final division probably remains years away.