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What was the first state to install metal detectors in court houses?
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What was used in fire detectors before americium?
The first smoke detectors are based on optical principles - photoelectric detectors.
Sims 2 double deluxe is freezing?
My first thought is to un-install it and install it back. Of course you won't have any of your houses or people you personally made.
Which hotel was the first to set up radon detectors?
Radon detectors are detectors that detect radon, a colorless and odorless gas that is second to only smoking in the list of causes for lung cancer. There is no record of the first hotel to employ radon detectors, but they come standard in most hotels due to their low costs.
Who invented motion detectors?
The first motion detector was invented by Russian Leon Theremin in the year 1920, but the first motion detectors used as a security device were developed in early 1950's by Samuel Bagno. The basis of these first detectors was the Doppler effect and ultrasonic waves application.
Was there americium in the first smoke dectores?
Alpha particles from americium ionized the air. An air with smoke has a different ionization, ionization currents which are also different are measured, compared and the detector (which was before calibrated) is ready ! The americium smoke detectors (with ionization) are not the first smoke detectors.
In Which colony were the first log houses built by settlers?
the first log houses that were built from settlers were in Delaware
How did the sumerians build there houses?
the rich houses are bigger and the others are not
What should you do delete your antivirus before installing a new one or install first?
Install first,then delete.
Do you install the vanity or tiles first in the bathroom?
You should install the tile floor first. Install tiles on the entire floor, even under where the vanity will go.
What type of houses first fleet were living in the Australia?
I believe the first houses for the convicts would be canvass tents.
What is the success rate of metal detectors?
The success rate of metal detectors has a lot of variables. First, the metal detectors themselves have different degrees of accuracy and sensitivity. Some are quite sensitive, and others are less so. Secondly, the treasure hunters need luck, skill and good information about where metal might be hidden. All of these factors play into the success of a treasure hunt.
What did the yupik Indians made their houses of?
First of all, it is Yup'ik Eskimo not Yup'ik Indian. They first made their houses out of sod, wooden beams, and stones. Today they make their houses like the rest of Americans.
