aspiration
banging
blasting
bleeding
bloodletting
broaching
bursting
cracking
crashing
cupping
drafting
drainage
draining
drawing
emptying
exploding
explosive
flapping
knocking
milking
phlebotomy
pipetting
popping
pumping
rapping
siphoning
slapping
slatting
sucking
suction
venesection
sound
rat-a-tat
rat-a-tat-tat
rat-tat
capping
clapping
lapping
mapping
napping
recapping
sapping
scrapping
snapping
strapping
trapping
unwrapping
wrapping
zapping