Table of Contents: 1  INTRODUCTION, DEFINITION & VALUE OF RESEARCH. 2  SCIENTIFIC METHOD OF RESEARCH & ITS SPECIAL FEATURES. 3  CLASSIFICATION OF RESEARCH:Goals of Exploratory Research. 4  THEORY AND RESEARCH:Concepts, Propositions, Role of Theory. 5  CONCEPTS:Concepts are an Abstraction of Reality, Sources of Concepts.
Lead poisoning is a serious and sometimes fatal condition. It occurs when lead builds up in the body. Lead is a highly toxic metal and a very strong poison. It is found in lead-based paints, including paint on the walls of old houses and toys.
Sources of lead. Lead can be found in water and soil as well as lead paint. Less common sources of lead exposure include: Ceramic dishes; Brass containers; Foreign/antique tea kettles (like samovars) Stained glass; Large batteries; Bullets; Fishing sinkers; Folk medicines/cosmetics (like kohl) from other countries; Lead in water