Is one allowed to drink the juices which oozed out during eating; grapefruit issues.
halachas of SOSSAIR in construction with a structure (e.g. floor, ceiling, wall, etc.);
making boxes (e.g., cardboard birthday cake box, cookie box, etc.). Putting a mattress on a bed. Using liquid soap that becomes foam;
Pushing Out a Dented Water Bottle, Using Toys That Are Made to Deflate and Put Away, Putting Back a Nail in the Shoe, and...