The valve B will be kept closed by the atmospheric pressure.
In the top of the hot well H is a valve which opens inwards, and is kept closedby a ball floating on the surface of the liquid.
To facilitate control and to provide intervals in which reënforcements may be placed, the companies in the firing line should be kept closed in on their centers as they become depleted by casualties during the advance.
The mouth should be kept closed for a minute or two.
It is kept closed by circular, muscular fibers surrounding its neck or orifice, and is emptied by looped, muscular fibers extending in all directions forward from the neck around the blind anterior end of the sac.
It is important that the door be kept closed for, without this precaution, there is no fire protection.
If the door of the magazine is kept closed, the progress of a fire will be comparatively slow.
The door should preferably be kept closed but if the provision illustrated in Figure 128 is made there can be no serious objection to leaving the door open for ventilation.
The valve B is kept closed by a weight marked W, that is intended to hold back a pressure of say 10 pounds to the square inch.
Coke burns best for house-heating purposes with less draft than is required for coal, therefore to keep a low fire the ash-pit draft damper should be kept closed, and the smoke-pipe damper almost entirely closed.
The check valve A is kept closed by the pressure from the inside of the system.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "kept closed" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
