1. Put on gloves, lab coat and safety goggles. Always keep the benches clean that you don't spill anything dangerous.



2. These plastic bags contains garbage that are contaminated by E. coli. What we do is we autoclave them before throwing them away so that we do not spread any genetically modified bacteria.


3. We also autoclave all equipment that we used for treating E. coli. After autoclaving, we put test tubes in the oven at 180 degrees celcius for 2 hours. This way, we make sure that all equipment we use over and over again are kept clean.



4. What he is holding is a plate of colonies of E. coli. This experiment is done in a P2 level room, we do not leak any E. coli outside the room.



5. We treat E> coli inside the clean bench. Before we tough them, we make sure that our hands are clean (although we have gloves on), we spray our hands with 70% ethanol.


6. The clean bench looks like this. We look through the glass window when treating E. coli on agar plates or inside test tubes.


7.