Autolite copper core spark plugs use a copper-glass seal that bonds the insulator and terminal post center electrode together.
Overproduction or overstocking leads to increased inventory and money sitting idle. Inventory means any goods that are being held for any length of time, inside or outside the factory. In the Lean system, inventory is regarded as a symptom of a sick factory.
INVENTORY TYPES. Inventory is defined as a stock or store of goods. These goods are maintained on hand at or near a business's location so that the firm may meet demand and fulfill its reason for existence.