That's why it's called a favourable pressure gradient, that's why it's called a favourable pressure gradient. This will be favourable for flow.
அதனால இத favourable pressure gradient-ன்னு சொல்றாங்க, அதான் இத favourable pressure gradient-ன்னு பெயர். Flow-க்கு இது favourable-ஆ இருக்கும்.