Before revision: Their work includes determining multiple design and implementation alternatives, assessing such alternatives based on all identified constraints (such as cost, schedule, space, power, safety, usability, reliability, maintainability, availability, and other " illities "), and selecting the most suitable options for further design.
After revision: Their work includes determining multiple design and implementation alternatives, assessing such alternatives based on all identified constraints (such as cost, schedule, space, power, safety, usability, reliability, maintainability, availability, and other " ilities "), and selecting the most suitable options for further design.