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Refractive index of a glass slab using a travelling microscope

21:05

Making Soap

20:00

Soap Making Tutorial and Recipe for Absolute Beginners (you can do it!)

6:22

How Bath Soap is Made

7:45

Cleaning Capacity of Soap - MeitY OLabs

20:55

Common Soap Making Mistakes & How to Avoid Them | Bramble Berry

13:43

Making liquid soap

26:27

How To Make a Layered Melt and Pour Soap (the third soap in my winter line)