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8

fixed capital energy-saving & work facilitating

((can you set up equasion [[equation]] for measuring energy efficiency of a tool

human has to accomplish task without tool 
with tool

for bicycle might be 4:1
for container to carry liquids 20:1
for car 15:1 (4 MPH VS 60 MPH)
then compare cost of human food used w/ fuel used ?

we think of mod. ind. society as being efficient when in fact inefficient

for swedden get 2 cals out for every 1 put in
hard to tell w/ hunting & gathering since nowadays not done in optimal environment
- w/ grain fed beef put 2 cals in for every 1 get out

liquid capital -
the ability to pay wages & to [[strikethrough]] get [[/strikethrough]] buy equipm.

9

liquid capital also a diversion of immed. consumption