Probably low gear oil.
It could possibly be, OBU. Otherwise, known as the One Big Union. Not quite an invention, but it was created in the Roaring Twenties.
They get breaked down slowly and slowly until its starts to calm down.
If you're a US citizen and your cruise starts and returns to the same US port, you do not need a passport to cruise to the Bahamas.
For the letter G you could do games and for n you could do nativism
water evaporating when water heats it gets to its highest boiling point which is a 100 degrees, then slowly starts rising in the air which is called evaporating, this is when steam is formed.
when is hiss at you and its tail starts to move slowly
rock because when the lava or magma cools slowly it starts to harden.
When you put a flask over the candle in a pan of water, the water in the pan starts to slowly rise inside the flask, and as the water slowly starts to rise, the candle slowly burns out.
'T' in all the ones I've seen so far
the steam rises slowly and it starts to loose its heat
simmer
that when you are older, your memory starts to decrease slowly.