Palibe chifukwa chokoka manja, tsegulani nthawi yomweyo. BP4700 ili ndi choyambira chokwezera bwino kwambiri, ndipo mawonekedwe oyambitsa omwe amakongoletsedwa ndi mayeso masauzande amatha kujambula zowoneka bwino, kumasula mphamvu yobwereranso, ndikukankhira chitseko kuti chitseguke bwino. Ndizosavuta kuti okalamba ndi ana azigwira ntchito, ndipo zimapewa kugawanika kwa danga lonse ndi chogwirira, kotero kuti pamwamba pa mipandoyo imakhala ndi kalembedwe kokwanira komanso kosavuta.