Instructions: In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.
Input: A volumetric flask ( measuring flask or graduated flask ) is a piece of laboratory apparatus , a type of laboratory flask , calibrated to contain a precise volume at a certain temperature .
Output:
A volumetric flask ( vol flask for short ) is a type of laboratory glassware .