This could help to prevent interference, in the absence of filters.
Various steps are used to prevent interference on audio and video equipment.
The different polarisations prevent interference between these two images at this point.
The government censored us under the phony claim that it was to prevent interference.
To prevent interference of signals, the frequency band is divided into two sections.
Food is shared to reduce risks of damage in fighting and to prevent interference with eating.
I've put a partial screen around the planet to prevent interference.
The computer set this up to prevent outside interference.
The patient must fast overnight to prevent interference from fat in the blood due to food intake.
They are often arms length from the government to prevent political interference in their decisions.