They can't see the screen. It is assumed to be more earth packing going on in the neighbourhood and we give the "I wonder?" look, like the rest of the hood...LOL
I have a four pitch train whistle that goes at nights sometimes, also and we have no tracks within 40km (US = 30 miles)
On Tue, 15 Jun 2010 23:05:33 -0700, "Edward Hennessey" wrote the following:
White Vinegar rules here. Lemon juice works well, too.
I used to live in Sandy Eggo county. One of the Thai restaurants there, Spicy Thai IIRC, had two different heat charts. The first was a
1 to 10 for American chiles. The second started where our hottest chile left off and went from 1 to 20. I used to like my food hot, but I never dared go into the Thai Zone for chile heat. They were probably similar to Jolokias.Ever licked a tear from a Habañero cry and gotten your mouth burnt all over again?? ;)
how about foreskin?
Never washed my hands before... ;~)
None of my tools are loud enough to cause pain. I've been tempted to take a sound pressure meter home to measure them, but so far haven't thought of it when I was going to use the tools. It's full summer now, so the tools are probably going to get a rest for a few months. :-(
I've had tinnitus on and off for a few years. It doesn't bother me all that much and it certainly doesn't keep me awake. Little does. ;-)
My shop tools aren't loud enough and I certainly don't use them long enough to matter, though the router is probably pushing it. What bothers me far more is constant sinewave I listen to occasionally at work (testing audio equipment). I can hear them for hours afterward (mostly 1kHz).
You're *not* going to get the sum of the two by wearing a belt and suspenders.
Yes, but the curve certainly isn't straight. There is a point where damage is pretty much instantaneous and there are levels were life isn't long enough for damage to occur. ;-)
dB measurements do add linearly. It is a relative logarithmic scale that makes calculations easy for audio and small signal people to express and calculate.
You're *not* going to get the sum of the two by wearing a belt and suspenders.
Yes, but the curve certainly isn't straight. There is a point where damage is pretty much instantaneous and there are levels were life isn't long enough for damage to occur. ;-)
Not for ear protection they certainly do *not*.
You discount sound leakage around the ear canal. At 30dB, you're down a factor of 1000. Conduction through the jaw bone and through the throat passage into the inner ear become significant, which is *not* taken into account by the muffs or plugs. The added "protection" isn't. There is good reason there aren't products out there that are much better than about 35dB; can't happen.
Ear plugs have reasonable leakage factored into them. The dB noise gain figures are still added.
The bone conduction you mention is real but not a factor in cochlear damage as the frequency range conducted is not a problem and cartilage tends to not conduct as well.
Any sounds c>dB measurements do add linearly.
Not for ear protection they certainly do *not*.
WRONG! Attenuation is only additive if the attenuators are completely in series. In this case they are not.
Sound is sound. Above a certain level it *will* damage the ear.
The above is nothing more than word salad.
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