Clay liner tiles are relatively inexpensive-about $10 for a typical 24â²-tall unit. But what you save on materials will most likely exceed the cost of installation labor. Clay flue liners are hard to retrofit in an existing chimney, especially if it isnât straight.lay liner tiles are relatively inexpensive-about $10 for a typical 24â²-tall unit. But what you save on materials will most likely exceed the cost of installation labor. Clay flue liners are hard to retrofit in an existing chimney, especially if it isnât straight.
Beaker tongs are best used to hold a hot beaker. Pick up hot glassware without heat protection and your skin will be injured. This is as true in the laboratory as it is in your kitchen. Lab tongs, part of a range of laboratory safety equipment, help you move hot ceramics and glassware safely.
â¢ Always report spills and splashes to your teacher. â¢ Some of the salts are toxic; be sure to wash your hands after youâve completed the experiment and before you leave the lab. Procedure 1. Fill a 250-mL beaker halfway full of tap water to use as a soaking beaker for the wooden splints. 2. Fill a 400-mL beaker halfway full of tap water to use as a waste beaker.