следить за тем, чтобы

см. тж. необходимо следить за тем, чтобы не

• Be careful not to allow the air hose to become kinked.

• Care must be taken to align the ends of the wires correctly.

• Care should be exercised to see that there is no rundown ...

• One must be careful that the added circuits do not produce leakage currents.

• Ensure that good contact is maintained with the holders.

• It should be seen that the tubes are completely dry.

• Make (or Be) sure there is no collection of moisture.

• When adding the mercury see that nothing interferes with the free movement of the pen.

• Take care when the boss is welded on that the inside of the pipe does not become distorted by the heat.