keys are listed below, subdivided into five main geographic regions. we have also included links to several external keys on the web, which are flagged as such. world copepods: key euphausiids: key , matrix lobsters: key mammals: key molluscs (pelagic): key , key , matrix planarians: matrix sea urchins...
gas heater the lower gas flue transition piece is designed as a water trap to prevent extinguishing water to penetrate into the exhaust gas ducting from the main engine. an integrated two flue gas damper section may be installed to modulate the output. depending on the heat demand the flue gases are by-passed...