Processes and techniques which may result in a gas accumulation. The following circumstances may result in the unintentional build-up of asphyxiant gases in confined spaces. During MIG, MAG or TIG welding on the outside of fabrications, torch shielding gas can enter the fabrication through the weld root.
So here's how to make paper mache glue from water and flour so they can get their hands messy. What you need. Activity. Mix one part flour with one part of water (eg, 1 cup flour and 1 cup water, or 1/2 cup flour and 1/2 cup water) until you get a thick glue-like consistency. Add a bit more water if itâs too thick. Mix well with a spoon to get rid of all the lumps.
Once the paper mache is completely dry, use paint to decorate the volcano. Optionally, use little toy dinosaurs or foliage to make the volcano look more realistic. Now for the fun part â read on to find out how to make paper mache volcanoes erupt. Tip: Put your volcano on a tray or a take it outside â this could get very messy! How to Make Lava: Using the funnel add two or three tablespoons of bicarbonate of soda to the bottle in the centre of the volcano. Next, add a couple of drops of red food colouring. Finally â get ready for your volcano to erupt â and add the white vinegar!