A zoo chimpanzee, for example, was observed gathering stones and chunks of concrete before the zoo opened, for later use as ammunition against visitors.
The blast at the 676-room Grand Riviera Princess hotel on Sunday blew out its windows and ceiling panels and hurled paving stones and chunks of metal at least 50 yards.
Debris was so well preserved that the team could reconstruct more than 60 original stones, mostly chunks of lava, from which tools had been fashioned.
Using sticks, stones and chunks of concrete, several hundred protesters, many of them students, took aim at government supporters some 50 yards away up a dark street behind Ramkhamhaeng University.
Choose bigger stones and chunks of wood to make a longer knife.
Played with carefully sewn stuffed skins, with animal bladders, or with found objects as simple as gourds, chunks of wood, or rounded stones, ball games are universal.
This is why there are so many apparently incidental pocket-sized public spaces sporting heavy stone benches or chunks of public art in key positions: they would force a terrorist's vehicle travelling at high speed to slow down significantly at key approaches to important buildings.
In pre-whitefella times, Aboriginal women mourned by gashing their heads with sharpened stones, removing great chunks of scalp and hair, disfiguring themselves permanently.
