TECHNIQUES FOR MANAGING CHANGE EFFECTIVELY. Managing change effectively requires moving the organization from its current state to a future desired state at minimal cost to the organization. Key steps in that process are: 1  Understanding the current state of the organization.
Batteries are made from a number of different materials. These materials include acid, lead, nickel, lithium, cadmium, alkaline, mercury and nickel metal hydride. When batteries are not properly disposed of the casing can disintegrate and the toxic chemicals within can leach into the surrounding environment.
Following the recall of millions of 'toxic toys', Chemistry World finds out why lead is added to paint, and why it's so toxic. Mattel, the worldâs biggest toy maker, has recalled millions of toys that were coated with lead paint.