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.
Hazards and Cautions. Do not use if: 1  You have a history of ear problems, unless used under the close supervision of your doctor or pharmacist. 2  You are putting anything else in the ear (such as other ear drops or a hearing aid). 3  Your ear drum is (or has been) damaged.4  You suffer from diziness. You are putting anything else in the ear (such as other ear drops or a hearing aid). 2  Your ear drum is (or has been) damaged. 3  You suffer from diziness. 4  There is anything else wrong with your ear (such as pain, swelling, discharge, infection or tinnitus.