These objects are large balls of molten lava that get tossed in the air and then quickly harden in the air.
(These objects; are then quickly harden; large balls of molten lava that get tossed in the air and) (large balls of molten lava; get; tossed in the air) (large balls of molten lava; get tossed; L:in the air)
These objects large balls of molten lava large balls of molten lava
are then quickly harden get get tossed
large balls of molten lava that get tossed in the air and
tossed in the air
L:in the air