The phrase "addition to the mask" is correct and usable in written English.
It can be used when referring to something that is being added or included alongside a mask, possibly in a context related to safety, fashion, or technology.
Example: "In addition to the mask, please remember to wear gloves for extra protection."
Alternatives: "along with the mask" or "besides the mask".
Randolph Quezada, a spokesman for San Francisco's homeless services department, told HuffPost, "Ensuring the health and safety of people experiencing homelessness has been and will continue to be our focus". In addition to the masks, he said that 700 bottles of water have been distributed and 75 additional mats ― essentially places to sleep ― have been added to the shelter system.
In addition to the secondary mask, a median filter was applied, calculated as an absolute difference between median and values estimated for each row of the spectrogram.
In addition to the frequency masking effect, the temporal masking effect occurs because the period of the knocking sound changes according to the engine speed.
Repeat masking was left on during the training process, in addition to the repeat masking done before running MAKER2.
Oxygen supplies are also kept in the cabin for crew members, in addition to the oxygen masks.
In addition to the dust masks, the sanding room had an efficient dust-extraction system, and the finishing room had very nice spray booths.
For each entry, in addition to the final masked and filtered maps, raw half maps for each reconstruction have been deposited.
In addition to the talk of masks, there is mention of dessert — for the West, he said, Libya is very sexy.
Mr. Janega, the deputy corporation counsel, said that in addition to the ordinance barring masks, at least one other law on the list had been subject to a legal challenge: a ban on holding a meeting or "séance of any kind in the name of spiritualism, or of any other religious body, society, cult or denomination".
