Complex sentence: For the next few years he continued his meditation practice, while also working at his father's machine shop, when in 1996, around eight years later, he was invited to teach by Arvis Joen Justi.
Split into simpler sentences: For the next few years he continued his meditation practice, while also working at his father's machine shop. In 1996, he was invited to teach by Arvis Joen Justi.