no_explosion_occlusion
other_rendermesh
colltype_player
box
cylinder
capsule
sphere
notaprim
no_hit_refinement
dynamic
entity
gameplay_critical
player_can_break
childof_unbroken 
mass=
density=
pieces=
limit=
bend=
twist=
pull=
push=
shift=
constraint_limit=
constraint_minang=
consrtaint_maxang=
constraint_damping=
consrtaint_collides=
stiffness=
hardness=
max_stretch=
max_impulse=
skin_dist=
thickness=
notaprim
explosion_scale=