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.
1 Put the rack (usually a metal plate with holes in) into the canner and 2 to 3 inches of hot water into the canner. 2  Place the filled jars (with the lids and rings on) fitted with lids, on the jar rack in the canner.  Put the canner lid and seal it down. Leave the weight off the vent port (or petcock).