Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to make mosaic stepping stones [title] Purchase a bag of premixed concrete at a gardening or hardware store. [title] Buy glass tiles or cut your own glass for your mosaic pattern. [substeps] Make a form by cutting a 5-gallon (18. 9 liter) bucket to the desired size or by using a plastic dishpan.

Ending1: You can also cut squares of wax paper to create zig-zag lines. You can place the lines along the edges of glass. Ending2: [title] Rub the form with a lubricating oil or use a nonstick spray to ensure that the hardened concrete can be easily removed. [title] Draw or make a copy of the mosaic pattern on a transparent sheet of paper. Ending3: Mix in table salt, eggs, ground red pepper flakes and ping pong balls. [title] Use concrete in a solid lump form, then lay down tiles. Ending4: Fill the bucket only to about halfway full and let the water drain through. Submerge a wooden step or bucket into water.

Answer format: ending1/ending2/ending3/ending4