Meanings

separate cost

law of mass action

appropriate use of human resources

medical use

k-stem irregular verb conjugation ("ku(ru)" is the only member)

for use by children

user facility

for one person's use

quotation marks

cloth (for making clothes)

you can never be too careful

bodyguard

reservoir

revolving payments

form stacker

paper skip

official use

word usage

urgent business

restrictive (of relative pronoun use)