см. тж. метод; навигационные средства; являться средством

• 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 ...

• The coal may now be loaded into transportation facilities for the market.

• Thus ESR spectroscopy provides a powerful tool for the study of chemical species with unpaired electrons.