Telling the difference in pronunciation between the two words is a bone of contention for a lot of Spanish speakers, even at intermediate and advanced levels.
The video will help us to sort out a few problems, I hope it is for good.
The only downside of the video lesson is phonetics, as the phonetic symbols used do not correspond to the IPA phonetic symbols. This is the phonetic transcription for the words we should learn:
work / wɜːk /
walk / wɔːk /
