API Developers. If you are a Google Apps API developer and use ClientLogin authentication, after you enroll in 2-Step Verification, you'll need to use an application-specific password in place of your regular password.
Answers. Best Answer: It's fine to reuse ear plugs as long as you clean your ears each time before inserting them. You'll need to replace them occasionally, depending on how often they're used. I've found that the yellow cylindrical ones work better and stay clean longer than the standard orange ones.
When using ear plugs it's extremely important to make sure your ears are clean as well as the plugs, dirty ears can compromise the effect the ear plugs. A great site to read more about earplugs would be http://www.allearplugs.com/help-centre/how-to-care-for-your-ear-plugs.aspx. 7 people found this useful.