How to freeze avacados - Kitchen Ranges

https://www.fast-growing-trees.com/collections/avocado-trees

That's going on 55 years old. Probably no parts available for that anymore. If you can come up with a part #, you might get lucky doing a google search for that part #.

Wrong site for this question

What kind of oit are you referring to, and for what reason!
If you are looking to root one in water pit tooth picks lightly into it to barely submerge its round/wider end... Pointy end in the air (re: avacado).

The main stages of the freeze-drying process are placing the material in the freeze-drying flask, rotate the flask in a bath which is cooled by mechanical refrigeration in a larger scale freezing is usually done using a freeze-drying machine