There is very little radiofrequency (RF) energy exposure to people inside a building from a cellular base station located on its roof. There are several reasons for this. First, the transmitters operate at low power levels. Second, the antennas are normally mounted near the edges of the roof and are aimed away from the building. Third, most cellular transmitters use "high gain" or panel antennas. Such antennas transmit most of their energy in a narrow beam (in the vertical direction) from their front surfaces, away from the building. They radiate very little energy downwards towards the roof or backwards from their rear surfaces. Finally, building materials absorb a significant fraction of the RF energy passing through them. As a result, the RF signal levels at any location inside the building are invariably low and far below safety limits. The situation might be different in some locations on the roof itself. RF signal levels close to (within a few feet) and directly in front of cellular base station antennas can easily exceed safety limits. Some precautions are needed to prevent people from walking directly in front of the antennas while they are transmitting. This applies also to paging and other systems that use rooftop antennas, some of which transmit at higher power levels than many cellular base stations. Kenneth R. Foster, Ph.D.

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WHAT ARE THE HEALTH RISKS OF LIVING NEAR A CELL PHONE TOWER?

The Indian Ocean is to the east of Africa.

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WHICH OCEAN TO THE EAST OF AFRICA?

The greenBull can range is routing width sizes of 5 feet and 6 feet. The blackFoot has a 4 foot routing width.

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The greenBull machine has a sturdier gantry than the blackFoot, so you can be more agressive with the cutting feedrate (cutting speed). The blackFoot is also a good machine, but it all comes down to the speed at which you want to produce the fabrication

The spindle is also highly recommended for it's quietness and easier cleanup (no fan blowing the dust in the air)

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WHICH MACHINE SHOULD I BUY, THE GREENBULL OR BLACKFOOT?

ACIP's influenza recommendations for children age 6 months through 8 years have changed for the 2011–12 season. According to the new algorithm, certain children need 2 doses of influenza vaccine this influenza season, separated by at least 4 weeks. Here is a summary:

• Children age 6 months through 8 years who did not receive AT LEAST 1 dose of the 2010–11 vaccine should receive 2 doses, separated by at least 4 weeks, REGARDLESS of their previous influenza vaccination history.
• Children age 6 months through 8 years whose influenza vaccination status from the previous season is not known should also receive 2 doses at least 4 weeks apart.
• Children age 6 months through 8 years who received 1 dose of seasonal influenza vaccine during the 2010–11 season need ONLY 1 dose this season. This is because the vaccine strains are the same this season as last season.

You may find this Immunization Action Coalition handout helpful: www.immunize.org/catg.d/p3093.pdf.

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WHICH OF OUR PEDIATRIC PATIENTS WILL NEED 2 DOSES INFLUENZA VACCINE FOR THE 2011–12 VACCINATION SEASON?

You can use one of the terminals on the input side of the breakout board to connect the e-stop switch.

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WHICH WIRES ARE CONNECTED TO THE EMERGENCY STOP BUTTON

Boxing is the sport Muhammad Ali was the world champion.

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Where was ricky martin born

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IN WHICH SPORT WAS MUHAMMAD ALI THE WORLD CHAMPION?

Nitrogen is the chemical element represented by the symbol N.

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WHICH CHEMICAL ELEMENT REPRESENTED BY THE SYMBOL N?

The 2008 Olympic games were held in China.

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IN WHICH COUNTRY WERE THE 2008 OLYMPIC GAMES HELD?

Grand Central Terminal, Park Avenue, New York is the largest railway station.

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WHICH RAILWAY STATION THE LARGEST IN WORLD?

Asia has the biggest population.

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WHICH CONTINENT HAS THE BIGGEST POPULATION?

The BRAIN!!

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WHAT THE MEANING OF LIFE

Russia has the biggest land area.

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WHICH COUNTRY HAS THE BIGGEST LAND AREA?

Nitrogen is the chemical element represented by the symbol N.

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WHICH CHEMICAL N ON THE PERIODIC TABLE.

Africa contains the Sahara Desert.

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ON WHICH CONTINENT THE SAHARA DESERT?

Jupiter is the fifth planet from the sun.

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WHICH PLANET THE FIFTH FROM SUN?

Nucleus is the organelle of a living cell DNA is found.

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nucleus


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IN WHICH ORGANELLE OF A LIVING CELL DNA FOUND?

Yes, all of the spindles come with collets. The collets have a 1/4" (6.35mm) bore for end mills that have a 1/4" shank. The ER specification is different for the 1.5kW (ER-11) and the 2.2kW (ER-20).

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I’M LOOKING TO PURCHASE SPINDLE AND VFD WAS CURIOS IF THE SPINDLES COME WITH COLLETS SO WHICH ONES?

The nearest star is the sun.

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WHICH THE NEAREST STAR?

Kidneys filter the blood.

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abc

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the kidneys

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BLOOD FILTERED BY WHICH PAIR OF ORGANS?