If you're wondering what this pregnant belly business is about, you have to know that mpreg (or male impregnation) is another popular trope of knotting. And while that deserves a whole post on its own (it exists both inside and outside the world of knotting and fan fiction) its connection to knotting can't be denied.
The term levocurvature of the lumbar spine means leftward deviation of the lumbar spine. The curvature is greatest (apex) at l4. Dextrocurvature or dextroscoliosis would refer to a rightward deviation of the spine. Would you like to video or text chat with me?
A heat-recovery ventilator (HRV) is similar to a balanced ventilation system, except it uses the heat in the outgoing stale air to warm up the fresh air. A typical unit features two fansâone to take out household air and the other to bring in fresh air. What makes an HRV unique is the heat-exchange core.