The fans, dubbed Selective Inverted Sink (SIS), were developed by Uruguayan hydro-mechanical engineer Rafael Guarga and are sold here as the Shur Farms Cold Air Drain
Compressed air drain
cleaners are a power version of the force cup and are generally useful only on sinks.
Their movement through the soil also helps water and air drain
through the gaps they leave behind.
Cheap hollow-tined aerators cost from around pounds 15 while the best, such as the Sisis Air Drain
Fork - as used by most professionals - costs around pounds 50.
Experts said Katesbridge endures colder nights than many other parts of Northern Ireland due to being in a sheltered spot and shallow valley into which cold air drains
down and collects.
Tree-free hollows in woodland areas are often referred to as frost hollows since cold air drains
into these hollows and kills tree and shrub seedlings.
Cold air drains
dawn unobstructed slopes, but backs up behind houses and fences.
And all of our vineyards are on the banks of the Arroyo Seco River or Reliz Creek, where cool air drains
to the water, protecting us from the frost.
toward the lake in the evenings and moves out toward the surrounding vineyards and pear and walnut orchards during the day.
Contract Awarded for air drains
to control rising damp