<classify> Wɔde eyi di dwuma mpɛn pii no ara wɔ nneɛma nneɛmafa a wɔde fa nsu so mu, a nsu so hyɛntwi a wɔde gyigye wɔn ani ka ho, na nsrahwɛfo a wɔwɔ deeta a ɛwɔ akyi no ka ho bi.  <topic>: sciencetechnology 