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The article offers information on cerumen impaction which causes hearing loss, otitis externa, vertigo, tinitus and cough. Cerumen is the byproduct of sebaceous and ceruminous glands with debrided epithelial cells and hair from the external auditory canal and formed through jaw movements. Removing earwax includes irrigation which is 70% effective in cases of impaction, ceruminolytics is 40% effective while combination of both is 97% effective.

The importance of spray application and the role of spray additives are reviewed in reference to increasing the effectiveness of plant growth regulators (PGR). The spray application process is composed of a number of interrelated components, from formulation of the active ingredient into a sprayable, bioactive solution (emulsion/suspension), to atomization, delivery, retention, and penetration into the plant tissue. Each of these events is critical to performance of the PGIL Also, each can be affected by spray additives, particularly adjuvants, which may be incorporated in the formulation of the active ingredient or added to the spray mixture. The role of the individual components and effects of spray adjuvants, particularly surfactants and fertilizer adjuvants, on the component processes are discussed. [ABSTRACT FROM AUTHOR]