Iodine is often used to disinfect the skin and clean wounds. Doctors frequently use ointments containing iodine on burns to lower the risk of infection.
NM3 vs M3. NM3 and M3 are the units that are used in measuring the volume of liquids, solids and gases. M3 is the Meter cube and NM3 is Normal Meter cube.Meter Cube is the volume that is occupied by matter in a cube whose sides measure one meter in length.The measurement of volume plays an important role in every aspect of designing, manufacturing and carrying out experiments.3 is the Meter cube and NM3 is Normal Meter cube. Meter Cube is the volume that is occupied by matter in a cube whose sides measure one meter in length. The measurement of volume plays an important role in every aspect of designing, manufacturing and carrying out experiments.
Â· just now. Report Abuse. these come in various lengths as m3 or m4 just refers to the size of the threads on the screw and if you need longer ones..all you have to do is ask for m3 by 1/2 or m3 by 3/4 or m3 by 1 inch or longer.est Answer: Just refers to thread size of the screw/bolt, M3 is 3mm, M4 is 4mm etc. The numbers cast on the top refer to tensile strength for future reference. For a good source of screws and fittings etc screwfix.com.