That information is completely unnecessary.

A palatal consonant is produced when the middle part of the tongue contacts or approaches the hard palate.

The children were playing by beating the pellet drum.

He was fired from the company when it was discovered that he was involved in underhanded dealings.

She is good at handicrafts and always creates wonderful works.

He left the room at lightning speed.

He is an expert in electronics.

I am majoring in electronics at university.

Kinda, I want to do something more fun.

What is the common difference of this sequence?