Complex sentence: Certain manifestations of islamophobia involve exclusionary practices of those perceived as muslim that are exhibited in employment situations, government involvement or lack thereof, and the upper tiers of of management that seem unattainable to the Muslim-perceived.
Split into simpler sentences: Certain manifestations of islamophobia involve exclusionary practices of those perceived as Muslim. Some manifestations are exhibited in employment situations, government involvement or lack thereof, and the upper tiers of of management that seem unattainable to the Muslim-perceived.