A procedure mask is used for performing patient procedures, or when patients are in isolation to protect them from potential contaminants. They are used for 'respiratory etiquette' to prevent people from spreading germs via talking, coughing, or sneezing.
Rolling-wave planning is the process of project planning in waves as the project proceeds and later details become clearer; similar to the techniques used in agile software development approaches like Scrum.. Work to be done in the near term is based on high-level assumptions; also, high-level milestones are set.
529 plan history. A 529 Plan is an education savings plan operated by a state or educational institution designed to help families set aside funds for future college costs. It is named after Section 529 of the Internal Revenue Code which created these types of savings plans in 1996.