| 摘要 |
<p>The plunger unblocking a wash basin or sink is designed to remove the mass of hair mixed with soapy material etc., which often blocks the trap or pipe. It has a stem, with a blade at the bottom made of twisted strip, and with a handle at the top. Alternatively, the stem may be made of wire, terminating in a helically twisted bottom part, or a series of undulations.</p> |
