The nonrenewable resource base of mineral elements is considered finite, and depletion can only be slowed by altered priorities, new demographic considerations, improved conservation practices, and vigorous recycling procedures.
(depletion; can only be slowed; by altered priorities, new demographic considerations, improved conservation practices, and vigorous recycling procedures)
depletion
can only be slowed
by altered priorities, new demographic considerations, improved conservation practices, and vigorous recycling procedures