Sentence examples for secondary barriers from inspiring English sources

They have introduced a bill, the Saracini Aviation Safety Act, that would force airlines to install secondary barriers.

"Security measures have evolved in the years since the secondary barriers were ordered, and many more layers of security now exist on each of our aircraft," said Christen David, the spokeswoman.

Only about half as much of the sludge that came out in the first spill remains in the reservoir, and the government expects that within the next 48 hours it will finish building secondary barriers to stop or slow the sludge, should there be a second spill, Ms. Nagy said.

The secondary barriers which are the face parts of sandwich insulation boards are adhesively bonded with metal strips to keep the gas tightness.

Invar steel (Fe-Ni 36%) is widely used in the primary and secondary barriers of membrane-type liquified natural gas (LNG) containment vessels.

The Air Line Pilots Association has advocated for secondary barriers made from mesh or steel cables to be installed on cockpits doors to make it harder to break into, but airlines have said that they aren't necessary.

Most airlines contacted said they did not have the secondary barrier doors and had no plans to install them.

"Installing a secondary barrier door to the cockpit of our aircraft is not in the current plans for our fleet," said Michelle Agnew, a spokeswoman for Southwest Airlines.

"Flow restrictors," added Maribeth Lovegrove of the C.D.C., "are designed as a secondary barrier, and caregivers should not rely on [them] alone".

In addition, the durability of the new secondary barrier was confirmed by a comparison of the fatigue performance of the conventional secondary barrier with that of the new proposed secondary barrier.

In this respect, the secondary barrier requires superior tightness, high strength, and fatigue performance at cryogenic temperatures.