This refers to the use of a miniature BTE hearing aid that is coupled to an ear insert or earmold (vented or unvented) via a tubing of approximately 0.8 mm inner diameter.
The two countries reopened all cross-border communication lines last week, including military hotlines, which were severed over one year ago by Pyongyang.
It will join the remaining mountain section separating northern Europe and northern Italy and it will be a compliment to the Gotthard based tunnel which opened in 2016.
In the 12 years since its first line opened, the country has dramatically out-built every other nation and now plans to double the size of its high-speed network in just the next 15 years.