Ze339 Ze339 Ze339 brand herbal extracts are taken from the leaves of a unique variety (Petzell) of the butterbur ("Petasites hybridus") plant. Petzell is grown on GAP-managed farms in Europe. In Switzerland, South Korea and Brazil, tablets containing Ze339 brand herbal extracts are marketed under the brand name Tesalin. Ze339 is marketed in the US as Zarbee's Naturals Seasonal Relief. Ze339 is indicated for seasonal allergic rhinitis (hay fever). The ingredient has been evaluated in placebo-controlled, double-blind clinical studies. Ze339 was shown to be as effective as the antihistamines cetirizine and fexofenadine. Against desloratadine, an improved version of loratadine, Ze339 had
Condition-based maintenance also applicable to non-mission critical systems that lack redundancy and fault reporting. Condition-based maintenance was introduced to try to maintain the correct equipment at the right time. CBM is based on using real-time data to prioritize and optimize maintenance resources. Observing the state of the system is known as condition monitoring. Such a system will determine the equipment's health, and act only when maintenance is actually necessary. Developments in recent years have allowed extensive instrumentation of equipment, and together with better tools for analyzing condition data, the maintenance personnel of today are more than ever able to decide what is