section a-a a-a

up a tree

A-A-A conjugation structure

S-A(A-A) missile

A.A.A.

fulling-up discs

bank up a furnace

bottom-up tree automaton

break up a nucleus

build up a joint

Building up a fortune for farmers

building-up by welding

by following up a clue

carry faggots to put out a fire - adopt a wrong method to save a situation and end up by making it worse

drag up a child

dry up by airing or under the sun

follow-up by telephone

kick up a dust

kick up a row