• The cold water cistern is fixed at a high level.

• Raise the gauge to a height at which the sharp edge of the notch is exactly level with the top of the valve connection.

• The surface of the liquid is flush with the floor of the tunnel.

• Oxygen could have been maintained at a level of about 0.02% of the total composition of the atmosphere.

• For electrons in the same principal level ...

• On the molecular level, diffusion is the result of ...

см. тж. жирный ~

• The amount of heat contained per pound of fluid that can be detected by feel or by a thermometer is known as sensible heat.

• These lines can often be recognized by touch as steps on the smooth polished surface.

• Graphite has a greasy feel ([lang id=2]жирный ~[/lang]), marks paper and acts as a lubricant.

• The valve was on the verge of instability.