Greyhound has begun searching travelers and bags in 30 cities with hand-held metal detectors, has issued emergency cellphones to hundreds of drivers and is looking into whether to build booths to enclose them for protection.
Thus, humans have an effective enclosing barrier that provides protection against biotic attack.
The government even launched a grazing ban 10 years ago, enclosing some pastures for protection and relocating more than 55,000 nomadic herder families to a nearby town.
Its gunwales were pockmarked from countlesscollisions, and soot from its old diesel engine caked the icy stern.But its partially enclosed wheelhouse offered some protection fromthe biting wind.
Examples of defensive mechanisms include replication within enclosed structures, which provides protection from the host's antiviral defenses, genetic diversity created by inaccurate replication, which yields mutants resistant to the cell's antiviral strategies, and association of the virion with protective lipoproteins.
Workers were in an enclosed facility without respiratory protection and with considerable potential for dust and aerosol generation.
Also, the RISEMAN features a full range of measurement functions, and boasts a unique three-layer protection structure to protect and enclose the pressure sensor.
As many photographs as possible were enclosed in Mylar sleeves for protection.
Furthermore, the occurrences of fractured bedrocks at relatively deeper zones at an average of 18.3 m will further enhance the protection of the enclosed groundwater resource in the area.
We used pneumatic drills in an enclosed space with no hearing protection or hard-hats notwithstanding the workers about us dropping the occasional brick – well we were students and expendable!
It's the best of both worlds: far more natural feeling than a regular enclosed-toe shoe with similar protection, but with most of the dexterity of a five-toed shoe.
