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.
Stability is deceptive. A hand blender is top-heavy by nature, so donât leave it standing up in its beaker or any container, even if it looks stable. If you need to pause mid-task, set the blender down on its side or detach the motor and leave the shaft standing.