(1) How about shut your blowhole for 20 seconds or three weeks or something?(2) One of the whales spouted a cloud of mist from its blowhole .(3) Producers of iron castings sometimes are confronted by a rash of blowhole or pinhole defects that take time and money to correct.(4) When they dive, muscles close the blowhole and their ribcage collapses to keep air bubbles from forming in the bloodstream.(5) I see no gills and no blowhole , just a nose in the middle of their face.(6) This can probably be attributed to the top blowhole wicking away the rising hot air.(7) Unlike a casting, a spun part that requires further machining will not be scrapped by a hidden blowhole or inclusion.(8) Polar bears will stand or lie by the seal's blowhole in the ice for hours; they may swim towards seals resting on the ice flows with only their nose showing above the water.(9) Soon you come across a blowhole forming a vertical shaft 1.5m in diameter that leads to the surface.(10) The bears wait and watch at the seal's blowhole , not moving, perhaps hiding their black noses behind the ice.(11) They will sit by a seal blowhole for hours, waiting, until the animal surfaces.(12) A third fault or defect type is blowhole formation due to air and gas inclusions, which arise during casting, but mainly in the phase just before the end of casting.(13) The invention provides an apparatus and a method for reducing the volume of risers, and for the possibility of reducing shrinkage, blowhole and porosity in shaped gravity casting.(14) The vacuum eliminates blowhole residue completely and enhances metal quality.(15) A calf will hump up onto the back of the sleeping mother, breach onto her, cover her blowhole with his tail.(16) Tunnels and Caves is another popular site, starting and finishing through a blowhole that leads to an underwater playground of caves and tunnels, where bubbles escape through volcanic fissures.
