List at least one reason for not touching the magnesium metal with bare hands. 3. list two reasons for using crucible tongs to handle the crucible and lid after their initial firing in the experimental procedure.

One of the reason is that Crucible tongs are specifically designed to hold the crucible. Using the crucible tongs will minimize the risk of the crucible falling and burning the handler. second reason is that The crucible is extremely hot, so it is inadvisable to handle it with bare hands, latex gloves or clumsy mittens,

The essential purpose of a tree volume table is to estimate the volume of standing trees. A volume table reduces the tedious task of measuring individual tree volumes to the relatively simple task of measuring a few dimensions on the trees encountered. Tables may either be direct reading or indirect reading.