Use a lubricant and something to protect your hand, and push while twisting. Do it slowly so you don't break the glass rod and hurt your hand.
never attempt to insert glass tubing that has a jagged end, all glass tubing should be fire polished before its inserted into a rubber stopper. Use water or glycerin as a lubricant at the end of the glass tubing before inserting it into the rubber stopper. ask teacher for proper lubricant. Protect hands and fingers by wearing leather gloves or placing a folded cloth between your hands and the tubing. hold it as close as possible to the part it is inserted to the rubber stopper. always point the tubing away from the palm of your hand that holds the stopper. use a twisting motion and push the tubing into the stopper. At the end of the experiment put on leather gloves or place the folded cloth between your hands and the tubing and remover the stoppers from the tubing to keep them from sticking to the glass. if it wont budge, use lubricant.
because to make thing slipply
Beeswax or beef dripping.
who knows why do you want to know
No
I have used dishwashing soap (Dawn)
Use a lubricant and something to protect your hand, and push while twisting. Do it slowly so you don't break the glass rod and hurt your hand.
Yes. She can use baby oil of a reputed company as a sexual lubricant.
You can use a lubricant. The object slides along the lubricant. Like slipping on grease or oil
Yes. Better to use water soluable lubricant as K-Y jelly.
YOU CAN USE FOLLOWING LUBRICANTS:SOAP.OIL.PALM OIL.SPIT. etc
On what? I need more detail.
Friction
In a chemical laboratory it is not so recommended to lubricate stoppers with a grease; this grease can be dissolved by reactants and the experiment become compromised. But some exceptions exist.
never attempt to insert glass tubing that has a jagged end, all glass tubing should be fire polished before its inserted into a rubber stopper. Use water or glycerin as a lubricant at the end of the glass tubing before inserting it into the rubber stopper. ask teacher for proper lubricant. Protect hands and fingers by wearing leather gloves or placing a folded cloth between your hands and the tubing. hold it as close as possible to the part it is inserted to the rubber stopper. always point the tubing away from the palm of your hand that holds the stopper. use a twisting motion and push the tubing into the stopper. At the end of the experiment put on leather gloves or place the folded cloth between your hands and the tubing and remover the stoppers from the tubing to keep them from sticking to the glass. if it wont budge, use lubricant.
If you do use okra, I'm guessing that you will be more itchy then lubricated. i wouldn't advise it. just have the person eat you out, of just get lubricant from the store.