As the years pass, their relationship evolves and Cassidy not only gives Zack her friendship but her love, as well. Cassidy spent her childhood being verbally and physically abused. The best part of her life When Zachary Stafford first set eyes on Cassidy Pope she was being beaten by her father.
Lead enters the body primarily through inhalation and ingestion. Today, adults are mainly exposed to lead by breathing in lead-containing dust and fumes at work, or from hobbies that involve lead. Lead passes through the lungs into the blood where it can harm many of the body's organ systems.
Background. Lead is a dense, soft, low-melting metal. It is an important component of batteries, and about 75% of the world's lead production is consumed by the battery industry. Lead is the densest common metal except for gold, and this quality makes it effective in sound barriers and as a shield against X-rays.ead is used to make bearings and solder, and it is important in rubber production and oil refining. Lead production dates back at least 8,000 years. Lead was used in Egypt as early as 5,000. , and in the time of the Pharaohs it was used in pottery glazes and as solder.