to make good use of; to use to one's advantage
scope; valid range; coverage
term of validity; expiration date (of medicine, credit card, etc.)
term of validity; period for which something is valid (e.g. ticket)
ratio of job openings to job applicants
significant figures; significant digits
least significant bit; LSB
most significant bit; MSB
effective data transfer rate
effective population size
Law for the Promotion of Utilization of Recycled Resources