Which of the following is used for the preparation of dynamite ?

Nitroglycerin (NG), also known as trinitroglycerin (TNG), isa powerful explosive and an important ingredient of most forms of dynamite. It is also used with nitrocellulose in some propellants, especially for rockets and missiles. Swedish chemist Alfred B. Nobel developed dynamite in the 1860s by combining liquid nitroglycerin with an inert porous material such as charcoal or diatomaceous earth.