 Rambai muchinyora ndima iyi - Hourani akatanga kambani yeinjiniya iyo yaakatengesa mukutanga kwema1980 kuti atsigire mhuri yake muRebhanoni panguva yehondo yevagari vemuRebhanoni ya1982.. Muna 1983, akatanga sangano reMedistar. Hourani anozivikanwa nekugadzirwa kweIntegrated Viral Protection IVP Biodefense Indoor Air Protection System yakatangwa muna Nyamavhuvhu 2020, HEPA air scrubber iyo inobata uye inoderedza hutachiona hwemhepo. 