"Before we do anything else, let's make sure we've got a good seal."

Good seals are a result of time, temperature and pressure for the correct clean material.

I think you also need to have a wettable surface in order to get a good seal.

They each require a good seal between the mask and the user's face.

Getting a good seal can take a few tries.

A lubricant is used to create a good seal between the body and the cylinder.

It is impossible to achieve a good seal between panes.

Press firmly along the seam to ensure a good seal.

Men with facial hair may find that it is difficult to achieve a good seal no matter how tight the straps are.

They'd all be given a Good Housekeeping seal if there were any place nice to put it.