No, yarn is too thick for an embroidery machine to use. They have specific threads designed for embroidery. A regular sewing machine can use some heavier decorative threads if they are put in the bobbin because they won't fit through the needle.
Re: What type of embroidery is this? Crewel Work, Raised, Hand?
Byron is right on the cord attachment for the tajima. We used to have a tajima chennille machine and found very limited use for it - what a waste of $. We experimented with a number of different yarns and found rayon to work the best.
Re: What type of embroidery is this? Crewel Work, Raised, Hand? 
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