What is Syphon | Types of Syphon | Pig tail . Spiral. U type Syphon | temperature where Syphon neend

In this Vedio we explained that what is Syphon.
what are different types of Syphon ie u type , coil or spiral type and pig tail syphon . we discussed in this Vedio that where Syphon is needed .
and at what temperature Syphon is recommended . And we also discussed that where is u types and at what place pig tail syphon is installed .