puistematerjalist (pulbrist) koonusekujuline kuhi proovi võtmisel osadeks (taval. neljaks) jaotamisel (vt kvartimine), a conical powder heap that is divided in quarters for the purpose of sample taking (see: quartering), куча порошка конической формы, которая делится на четверти для отбора пробы (см. квартование)
