Topic 731
wheel,
top,
frame,
points,
attached,
span,
pin,
tension,
drawn,
contact,
thickness,
roof,
desired,
flat,
handle,
beams,
shows,
supported,
thick,
pass,
compression,
string,
bars,
supports,
wooden,
curves,
rollers,
sizes,
joints,
connected,
pins,
continuous,
revolving,
finished,
forms,
convenient,
fastened,
flange,
larger,
carrying,
thin,
passes,
firmly,
ropes,
thrust,
represents,
deep,
designed,
girders
Volumes with greatest proportion