feel light-headed / feel faint / feel giddy / feel dizzy

(of the way in which one leaves or goes out) without a purpose / (of the way in which one leaves or goes out) aimlessly / (of the way in which one leaves or goes out) as if wandering

(of the way in which something appears or comes) without a purpose / come in unexpectedly / (of the way in which something appears or comes) unplanned / (of the way in which something appears or comes) by surprise / (of the way in which something appears or comes) by just dropping in / appear unexpectedly / (of the way in which something appears or comes) by chance / (of the way in which something appears or comes) by just dropping by

do not disturb / do not upset

incubator

francium / Fr

francium / Fr

flange joint / flange coupling

flange joint / flange coupling

French Revolution