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hi today i am going to teach you how to make a diaphragm straw. first thing you need two
straw , knife and a tape . fist thing , the end of the thing looks like this. so you can
put two balloons here . first step , take one straw make it flat like this . and cut
it like a triangle . like this. like this. so it looks like this and you see this part
here the air goes both side . and fold the other straw into two which is an half . like
this and cut a small hole . almost there . but you have to cut only one part not the inside
. like this . yup like this you can see that . you must make the edges straight . so it looks
like this . which has two holes . now your going to do is make like this . chek if it
has exatly two holes . exatly half or not .yup now its an half . you see that and this
two edges . now this two goes exatly there . well exatly like this . and now your going
to do is . tape it . i am just going to cut it with my knife here . prety sharp . you
have tape it in the hole if not the air will go away . your diagprame baloons shriking
and getting big.like that .like that . you need one more strip at the bottom . if not
the air can go away . like you can just put it like that . ok now your going to do is
cheak it . by blowing here . and cheaj if bothe sides air is comming . yup this works
exatly like this . THANK YOU FOR WATCHING.