This is a collection of Sierra wearing hazmat suits in varying scenarios. The video begins with Dr. Valencia approaching her asking if she needs help putting on her PPE. She's already wearing her 3M full face respirator, but she appreciates the help in donning pink coveralls. After putting the suit on, he helps her don a pair of Casabella Waterblock household gloves. He then helps her don her yellow hooded coveralls over the pink ones. He then helps her put on blue nitrile gloves. the finish things by putting on her blue rubber apron. The scene transitions to Sierra mixing chemicals wearing a new pair of green gloves. Valencia offers Sierra assistance which she gladly accepts. Before they can do that however, Valencia asks Sierra to perform a fit check which he assists with. She eagerly has Valencia check the fit of her respirator by covering the filters, causing negative pressure to build in the mask. After several repeat attempts, Valencia is satisfied. He follows up with a positive pressure fit check which she also passes. After mixing the chemicals, an alternative scenario plays out where Sierra wears an AO Safety half face respirator with canister filters. Before combining the chemicals, Valencia assists Sierra with her face shield to protect from splashes. In the final segment of the video, Sierra spends three minutes in her heaviest gear wiping down a toilet with cleaning wipes. She's wearing her coveralls, nitrile gloves, apron and full face 3M respirator.