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External sources (not reviewed)

[...] increases due to permeation through the O-ring.

Many generations and cultures have left their mark in defining Sydney’s evolution into one of the world's most diverse and exciting social centres.

Internet and 3G penetration are rising [...] [...]

[...] restricts the penetration of chemicals [...] [...]

[...] [...] supplies, and the penetration of piracy into [...]

Other urgent work relating to the maintenance and smooth functioning of the Headquarters buildings was carried out, including the repair of pyralene leaks from the transformers in Building VI, emergency repairs of leaks in the telephone system (automatic switchboard), replacement of the grease traps in the kitchens, replacement of the drainpipes in Buildings V and VI, improvement and adaptation to the available space and surroundings of the reception area at the Fontenoy site.

This phenomenon is less evident in FEP and PFA extrusions because they are relatively less permeable than PTFE extrusions.

[...] [...] such as the infiltration of foreign fighting [...]

[...] [...] regarding any infiltration of production [...]

[...] [...] resulting in a significantly reduced permeability to corrosive agents.

[...] capacity and water infiltration.

Active leakage control is an ongoing activity that maintains leakage levels at the appropriate level to prevent natural rise, ie once leakage has been reduced to the target level, regular active leakage control is required to prevent the leakage level from slowly increasing over time.

[...] [...] efficiency targets in addition to mandatory targets for reducing burst water mains and distribution system and overall leakage.

[...] [...] susceptible to the infiltration of Ivorian diamonds.

The fight against terrorism ranked high on France’s agenda during the Group of Eight (G-8) Summit in 2011, mainly through coordination among Member States in order to combat the encroachment of terrorism groups in vulnerable areas such as the Sahel region, the Horn of Africa and Afghanistan.

But the presence of Oppera there reduces the permeability of these small molecules : the barrier properties of the film is improved.

Currently R-410A technology is not penetrated much in developing countries, and this opportunity needs to be leveraged to prevent further and significant expansion of R-410A technology into the emerging markets, which are potentially much larger than the current developed-country markets (the population of -410A based air-conditioners in developed countries has already reached about 200 million units by end2010 as per some industry estimates).

Not all goals have been quantified, however, particularly as regards the measures to stop water leakage.

MAGDAS aided the study of the dynamics of geospace plasma changes during magnetic storms and aurora substorms, the electromagnetic response of the ionosphere-magnetosphere to various solar wind changes and the penetration and propagation mechanisms of DP2-ULF range disturbances from the solar wind region into the equatorial ionosphere.

Due to the aggressive nature of air- and structure-borne sound, Supress recommends that any and every gap between the panels and any cut-outs or penetrations for electrical outlets, pipes, fire sprinkler nozzles, etc. be sealed with Supress Acoustical Sealant.

[...] [...] network based penetration test, which [...] [...]

The polyisobutylene polymer chain imparts barrier properties that minimize the transmission of air and water vapor and makes this polymer better than most rubbers at resisting degradation due to heat and in maintaining mechanical properties.