The traditional application of an LMS is in educational institutions. Learning management systems have been used for several years to deliver courseware in schools and popularize e-learning.
As verbs the difference between cane and crutch. is that cane is to strike or beat with a cane or similar implement while crutch is to support on crutches; to prop up.
There is no difference between a scrub and an exfoliate. They are both the same. Just different words for the same process. Some exfoliates have grains as small as sand that will dissolve or turn foamy when activated with water while others remain their same hard as rocks self.