DNA will be extracted from soil particles, or microbes will be concentrated using a series of filtration techniques.

Additional specific filtration techniques can be added to combat chemicals that would otherwise be pumped back into the room.

However, this filtration technique affects the clarity of commentary audio.

Such filtration techniques have been adopted by some cable television providers.

Labels may also carry various declarations of filtration techniques or final maturation processes.

One class of filtration techniques is based on the use of membranes with suitable hole sizes, whereby the liquid is pressed through the membrane.

Brewers could also use shorter boiling periods and more aggressive filtration techniques, he said.

There is a further water purification plant using advanced filtration technique, which supplies clean water for both drinking and domestic use to every household in the village.

The process employs a filtration technique known as reverse osmosis, an energy recovery system and a computer that runs an artificial intelligence program.

Mechanical or chemical methods can be used for effective filtration techniques.