بشير الجحافي

In preparing reagent for Hydrogen Peroxide, Residual tests, Residual Chlorine and Alkalinity tests. In addition, consultancy works in all the company Chemical business

Sales, training, and installation of water treatment equipment water treatment systems.
Agencies Company

As assistant water analyst on short team basis. Works included Testing Chemical, Physical and microbiology tests

Supervision, disinfection, Maintenance, trainings, and preparing Flavors

Taught High School (12th grade ) students in order to prepare them for the School Leaving Examinations (Ministry Examinations) Chemistry

Team in Chlorination and Flushing of the Dhamar city Water Supply extension project. The work included preparing proper doses Chlorine, injections into the networks and main reservoirs at Al-Qarn & Hiran and flushing. In addition testing of residual Chlorine and microbiology ( coliforms ) tests

in sampling and testing water sample at site, in context of an impact evaluation of water and sanitation in Yemeni provincial towns of AMRAN, RAYDAH, ZABID, and ALJARAHI. Executed water Quality tests in about 500 households (nearly 1500 samples), and 21 wells, 43 trucks and others. The works include- Samplings, and testing of physical, chemical and microbiology parameters

installing water treatment systems (plants) and operations