Answer:
Biosafety level 3 requires at least two-door separation between the area where biohazards are used and the personnel not associated with the research, requires inward inflow into the lab and must have a visual mechanism to verify that air is flowing in the appropriate direction
Explanation:
Biosafety level 3 is required for clinical, diagnostic, teaching, researching or production laboratories working with microbes that are also following BSL-1 and BSL-2 but as these pathogenic agent can lead to life-threatening disease by inhaling it, besides other contaiment precautions, the BSL-3 facilities must have a separated entrance to laboratory door with unrestricted traffic flow and the lab must be behind two sets of self-closing doors and windows must be sealed, with a ventilation system properly directioned installed.
The peak of the Ottoman Empire was the year 1683, when it had conquered a big portion of Europe and almost reached Vienna. The fact that it did not manage to conquer Vienna was the beginning of its demise.
The freedom of african americans where socially limited as they where refrained from communicating to family they had in africa and from speaking back to there owners. Freedom for African americans was limited politically as they had no right to vote or speak up about what or who they thought should have been president. F<span>reedom for African americans was limited economically as they where only </span>allowed to do what told when it came to farming or living as most have to outside or do what ever they had to outside.
One of the major goals shared by both the populists and the progressives was the advancement of economic and social opportunity for the masses, such as the poor.
