The purpose of the conference is the discussion of leading scientists and experts of topical issues of international relations in Asia, trends and prospects of cooperation between Kyrgyzstan and eastern countries.
Clearing a sink tends to cost $50-$75. Clearing a blocked tub usually costs $75-$125. Unclogging the main drain, which connects the homeâs sewage system to the cityâs underground system of drains, costs anywhere from $100-$500, depending on difficulty. However, most jobs fall in the $200-$300 range.
1 CostHelper readers report paying $52-$430 to unclog a sink or tub, at an average cost of $226. 2  If there is backflow from a tub or sink, in all probability the main household sewer line is blocked.hat should be included: Shopping for unclogging a drain: 1  Lowe's explains how to clear a clogged sink or tub drain and estimates the average homeowner should be able to clear most clogs in two hours or less.