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Do you accept PayPal as a payment method?
You bet your sweet armpit gusset we do.
Can I make changes to my order once it has been placed?
Are any of your products made in the China?
Can you send me a sample so I can see the quality?

Face Mask FAQs

What’s The Difference Between N95 and KN95 Masks?
In short, N95 masks are the US standards for respirator masks; KN95 masks are the Chinese standards for masks. These are the requirements that the US National Institute for Occupational Safety and Health requires manufacturers to meet in order to label their masks as N95s. Despite the long list of differences, the two masks are equivalent or nearly equivalent on the features that most people care about.
How Long Can I Weae The Mask Before Needing To Change The Filter?
Why Should I Wear A Face Mask And What Does The Filter Do?
Where Are The Face Masks Made And What Are They Made Out Of?

Incremental Rotary Encoder

What is an encoder?
An encoder is a sensor that translates either rotary or linear mechanical motion into electrical signals, so that a control system can determine the speed, acceleration and/or position of a mechanical system.
What are the minimum and maximum resolutions available ?
Will the encoders work in a vacuum?
I am trying to drive a fairly long length of cable. What kind of additional circuitry should I consider?

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