Food-grade lubricants must perform the same technical functions as any other lubricant: provide protection against wear, friction, corrosion and oxidation, dissipate heat and transfer power, be compatible with rubber and other sealing materials, as well as provide a sealing effect in some cases.
As the concentration of a solute in a solution increases, the freezing point of a solution decreases and the vapor pressure of the solution decreases.
Answer:
a telephone wire 120 m long and 2.2 mm in diameter
Explanation:
Answer:
visual support
your overall listening time
knowledge of how sound merge or get reduce
concentration
your pronunciation and grammer
Explanation:
hope it will help you much..
Correct answer is A. Recreation center