dangerous waste and medical waste

dealing with waste by waste

organic waste liquid and waste residue

waste control by waste

(Cycle) life

1990’s Mao Zedong thought in his later life

24-h life guidance

60 years life extension

a bad life

a breath of life

a chronicle of somebody’s life

a dog’s life

a feeling of his unfortunate life

a future life

a good life

a life period model

a life tragedy

A life with his family and country

a matter of life and death

a new lease of life