OHIOâS NEW LEARNING STANDARDS I Social Studies 4. The final goal was to have the standards meet the needs of students in. the 21st century. The revised standards include many of the skills from the. 2002 Social Studies Skills and Methods standard, as well as some skills. aligned to the Framework for 21st Century Learning from The Partnership.
Clogged Drain Costs. 1  Hiring a plumber to come out and fix a clogged drain will set you back at least $50 and up to $250. It depends on the severity of the drain clog. 2  According to a national average, it costs an average of about $90 for a plumber to clear a blocked tub drain and $60 for a blocked drain in a sink.
Disinfecting the Drain. A number of disinfecting products can rid your drain of odors, and while bleach is one of them, you should avoid it if you're in the habit of pouring other cleaning solutions in the sink. It releases poisonous gas in combination with ammonia, which is a common cleaning ingredient.ound This Helpful. KeremYucel/iStock/Getty Images. If your sink drain is functioning properly, a pool of water in the P-trap blocks sewer odors from wafting into the kitchen, so if you're detecting musty smells, they are probably coming from the top of the drain.