Usually the context of the sentence will give the reader sufficient information to know which meaning is correct.

Make sure that the bearing is correctly installed.

Put on protective clothing when you use the solvent.

Step 2 is applicable only if the weather is wet.

If there is fuel leakage from the couplings, repair them.

If in loose-leaf form, use "standard",or commonly used page sizes.

Relieve system pressure.

Provide a drawing or picture of the instrument panel.

Total capacity and usable fuel shall be stated.

Do not print on the back of the title page.

Connect the fittings to the hydraulic test bench.