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Ερ: Does this really help with tartar plaque and calculus on teeth?

Ερώτηση από BG332135738 επί 2020-08-04 15:14:36

Bermuda This is not an "Ultrasonic scaler." 12,000 t per minute is not ultrasonic. In fact, 12,000 t per second is not ultrasonic. It would have to offer 17,000 Hz or higher to qualify as ultrasonic.

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Ερ: what size plane can you use this with

Ερώτηση από steve επί 2021-02-08 12:04:39

Bermuda The advertised features include: Mini-size GPS unit for ultra-light setups. Adjustment board removable for a light-weight setup. Add the weight of the Autopilot System to the total all-up-weight of the aircraft when calculating the required motor, battery and propeller requirements.

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Ερ: Why does it take 25-40 days to USA?

Ερώτηση από BG894618461 επί 2021-01-10 09:52:30

Bermuda Because the batteries have to be recharged 12,000 times.

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Ερ: why you don(t leave reunion island????

Ερώτηση από Leader974 επί 2020-10-07 11:57:49

Bermuda Absolutely!

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Bermuda Yes, it can be heard by animals, but not by humans. According to Wikipedia, "Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing. Ultrasound is no different from 'normal' (audible) sound in its physical properties, except in that humans cannot hear it. This limit varies from person to person and is approximately 20 kilohertz (20,000 hertz) in healthy, young adults. Ultrasound devices operate with frequencies from 20 kHz up to several gigahertz."

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