these are the same examples from the "basic" section except, this time, there are logical comparison operators inside the formulas. most orders can be filled within 48 hours. “keep a close eye on the weather” and local news, she said. the dark guide will stain your floor if you don’t clean it up immediately, so make sure to run your shower after you apply. but let’s face it, everything costs! the led light features a curved underside which helps to keep moisture off the surface, which helps to reduce the need for cleaning, and can last up to 50,000 hours of use. 