Becoming agile and incorporating Scrum principles is a process. It takes diligence, patience, practice and a commitment to continuous improvement. Agile Project Management for Dummies author Mark Layton (MBA2, CST, PMP, SCPM) provides training on Agile and Scrum through certified classes from Platinum Edge!
The summit craters represent the junction area of the volcanic activity through which breathes the persistent vent of Etna, and in more or less regular intervals, are the site of explosive events of various types as: Strombolian obstruction phreatic activities etc. that continually change the morphology.
The main features of a volcano include a vent, a summit crater and a magma chamber. The vent is an opening through which volcanic material is erupted. Volcanoes can have more than one vent. The summit crater is the large concave opening that holds the central vent at the top of the volcano. The magma chamber is the large pool-like structure inside the volcano that holds the magma.