I would try your local hardware store for you barriatric patient.
Replace the handle and or spindle
The round bottom flask is used frequently for distillation.
Round to the nearest pound.
It says "THE COFFEE IS DIRTY"
The weight of a 100mL round bottom flask can vary depending on the material it is made of. A typical 100mL glass round bottom flask weighs approximately 100-150 grams.
A cone has a round bottom, and the pyramid has a squarish bottom.
A cone.
the flat bottom i think
A test tube cleaner is used as suggested -- it is used to clean test tubes. It is round, and has a modestly long handle so the bristles can reach the bottom of the test tube being cleaned.
It is the net of a cone. -
It is round but as a flat part at the bottom
Round-bottom flasks are used to contain chemical reactions run by chemists, especially for reflux set-ups and laboratory-scale synthesis.