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• A softening agent ...

• This provides a means for the removal of corrosive compounds.

• The use of transistors is evaluated as a means of alleviating this problem.

• The twentieth century's potent technological media of mass communication ... The representation of electrical quantities as ... is a useful tool of circuit analysis.

• The reflected shock technique is a valuable tool for chemical kinetic studies.

• Electron diffraction is also used as a research tool in studying ...