Bring out the fake blood suitcase and disappearing wine stain solution

I know that the blood puddles surrounding dead or injured bodies seen on TV is fake, what I didn't know is that they bring it out in a big suitcase that has lots of different shapes and sizes of plastic blood puddles. Big puddles for lots of bloody mess effect and small puddles for just a subtle hint of distress.  I always thought they used some kind of liquid on the ground but it makes total sense now that it would be plastic preformed shapes.  Easy to contain and pick up, no muss, no fuss, can move it around as needed and change the size and location to wherever they want it around the body.  They of course still have the squirt bottle of blood goo like in those ketchup or mustard bottles in burger places they use to squirt "blood" onto the clothing and skin.

I was in a scene recently where a waitress has two glasses of "red wine" that spill on someone when she bumps into them.  Of course that scene needs to be repeated over and over and over again to get it right and shot from multiple angles.   I was standing next to a set person and asked how many of the exact same outfits do they have to film this scene as the woman is quite dressed up and the stains look very real. The set person tells me, "Oh no, that "wine" disappears once it dries.  They just take the actor into the bathroom and blow-dry her dress and the "stain" just disappears and is ready for the next take.

All these tricks of the trade are probably pretty standard to those in the business but for an outsider like me, it's all just so cool to see how it's done.