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medical technology throws away a lot of junk specially syringes. with old syringes you
can make magnificent telescopic jacks. you can see that the piston and the plunger of
the 2.5ml goes into it. now in this case the rubber piston of the larger syringe fix into
the nozzle of the smallest. so you make holes in the rubber pistons and fit the piston of
slightly larger syringe on to the nozzles of the smaller ones. so you apply rubber glue
and fix in the rubber pistons.the 6ml piston goes onto 2.5ml nozzle. now this plunger will
go into its own barrel and this is how you assemble them sequentially. the smaller goes
into the medium, the medium goes into the big one. now you make holes, six holes in
the flanges, the grips of these cylinders. these are the six holes. and having made these
holes thread them up and tie each *** individually. these threads put a limit to the expansion
range of the telescopic jack, otherwise the syringe might just pop out. now fill water
in a very large syringe and attach it to this trio, three syringes, with a saline tube.
now if you push the big plunger the syringes will sequentially open and close. you can
even lift up small toy car with it. you can put colored water and see the whole action
more magnified and becomes more dramatic with colored water. you can see the telescopic
jack rise sequentially and now its coming back.