Not really, unless you assume "тока" to be a phonetic simplification of "только" (which is acceptable as a colloquialism or if you're transcribing someone's slu

Not really, unless you assume "тока" to be a phonetic simplification of "только" (which is acceptable as a colloquialism or if you're transcribing someone's slurred speech). Otherwise, it translates as toroidal chamber with magnetic coils (a magnetic plasma confinement device, https://en.wikipedia.org/wiki/Tokamak https://en.wikipedia.org/wiki/Tokamak)