Page 27 - Think About Machinery and Engineering in Nature

HYDRAULICS

A me�hanical spider, c<;>nt_r�lled by

hyd'rauli� pressure to raise and

lower the legs.�

Spiders die. with their leg� curled .up

b·ecaus·e th� hydra p·ressure has

_.g.�ne· Humans use muscle wh-�h

PUL bµt in u·s·e pressure,

.Wh P'lJ HES.
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