obstacle

Senior Hamas official Fawzi Barhoum said the group's negotiators were working to remove "all obstacles to an agreement that meets the aspirations of our people".

Wind belt countries like the UK face tougher obstacles, however.

One obstacle is that designers haven’t been able to replicate the very crucial human sense of touch or operate with human-like dexterity.

“But there are too many obstacles and this will have ramifications for the cost and quality of healthcare.”

But China's state-led approach can also be an obstacle to innovation if everyone in the sector only focuses on a "shared goal", said computing professor Chia-Lin Yang from the National Taiwan University.