Encara no tenim significats per a "remove the scum".
1Cover with water bring to the boil, and remove the scum.
2Throw in a teaspoonful of salt, and carefully remove the scum as it rises.
3Then remove the scum, lower the temperature, and continue to cook at the simmering point.
4Cover with about 6 pints of water, bring to the boil, and remove the scum.
5To each pan, pour in 2¼ cups water, bring to the boil, and remove the scum.
6Bring to the boil and remove the scum.
7Bring to the boil, remove the scum, and simmer for 1½ hours, until they are very soft.
8Be careful to remove the scum.
9Now, it is necessary that the cabbage be covered with brine; remove the scum as it rises to the top.
10Take the tomatoes out of the sugar and boil the syrup, removing the scum.
11Remove the scum and let the water just simmer.
12Boil all together slowly, removing the scum as fast as it rises; then strain through a sieve.
13Remove the scum as it forms, taking off as much as possible before the sugar is added.
14By boiling out the water, without burning, and removing the scum, it will do to feed bees.
15Measure syrup, adding an equal quantity of sugar, and boil twenty minutes, removing the scum which rises to the surface.
16She then put the pot on the fire to prepare the stew, but while she was removing the scum, her lamp went out.
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