Can Anyone Explain How To Make Commercial Orange Squash?

This recipe of orange squash requires 8 oranges and 4 table spoon of caster sugar.

1-Squeeze all the juice from oranges in a container by cutting them in half.
2-Next peel off as much pith as possible from peels and put it in saucepan with 2 pints of water and any pulp.  
3-Let it bowl n then keep it for further 20 minutes.
4-Turn off stove and let it cool.
5-Filter contents of saucepan in to a bowel and add boiling water to make 2 pints.
6-Add orange juice and sugar and mix them.
7-Put in the fridge when its cool.

Have an Elephant with good eye sight and a big foot jump onto it, several times  if needed. Oh, yes, this procedure must be done during that specific concurrent time period that a product sales pitch is on the tele, also.