Dosing procedures are also in vogue in textile and similar industries where chemical treatment is involved.
Commercial swimming pools also require chemical dosing in order to control pH balance, chlorine level, and other such water quality criteria.
Modern swimming pool plant will have bulk storage of chemicals held in separate dosing tanks, and will have automated controls and dosing pumps to top up the various chemicals as required to control the water quality.
The feeding at all places is done by means of small capacity dosing pumps specially designed for the duty demanded.
[1] See pesticide application The feeding of chemicals in agriculture has also become common due to technology developments.