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.
A cash balance plan is a defined benefit plan that calculates benefits in a. manner similar to defined contribution plans. It resembles a defined. contribution plan in that each employee has a hypothetical account or cash. balance to which contributions and interest payments are credited; however,