iBT TOEFL Topic Vocabulary Breakthrough Unit 007
Author: Li Xiaolai
Sanitation is the hygienic means of preventing human contact from the hazards of wastes, either physical, microbiological, biological or chemical agents of disease, which include human and animal feces, solid wastes, domestic wastewater (sewage, sullage, greywater), etc. Hygienic means of prevention can be practiced by using simple technologies (e. g. latrines, septic tanks), or by personal hygiene practices.
Author: Li Xiaolai
No comments:
Post a Comment