NATO has pressed for months for an extra 2, 200 troops, including a 1, 000-strong mobile force with no caveats, able to support other troops where needed.
The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.
The machine was designed to be used in places like transport stations, airports and places of interest where quick and exact announcements are needed most.
It spreads quickly once tiny beads of fluid enter your body, often from a sneeze, cough, or kiss. There are hundreds of viruses that can cause a cold; you can never build up immunity to all of them.