см. тж. вестись ; достигаться ; производиться
• Loading is direct into railroad cars.
• Control of the welding current is by a trip-switch.
• Transmission of power from the engine to the wheels is accomplished by the clutch.
• Traction is effected by the winding action of the cables.
• Routine maintenance is handled in the same way.
• Conditions under which the test is run should be improved.
• A program of component tests is underway .
• Our internal communications are handled by a network with nervous and metabolic subsystems.
• Fine control of carrier-gas pressure is achieved by ...
• The determination of position by dead reckoning is commonly performed by plotting on ...
• This reduction is most conveniently performed at the cathode.
• Cross pollination of flowers is effected principally by bees.
• The reaction is carried out ( or conducted , or run ) by the above-described mechanism.
• Controls are exercised by the cell.
• This substitution is realized under acidic conditions.
• Conduction usually occurs through a metallic wall.
• The manufacture of dyes proceeds from simple raw materials.