"At Langley, the preferred rules for forming possessives are as follows (G.P.O. 1984; and Rowland 1962): • Form the possessive of a singular or plural noun not ending in s by adding 's. • Form...
the penetration of SWD is deeper than MWDMWD is easier than SWD (ease of application)MWD treats 1 aspect of the body but SWD treats 2 aspectsalso there are diffrences in wavelength and frequency and...