This consists of a huge tower of unburned brick resting on a small hill of debris, the whole rising to a height of loo ft.
Brimstone is easily burned without any extraneous help; indeed the only precaution required is to take care lest the heat produced by the burning sulphur should not volatilize part of it in the unburned state.
As they passed near a church in the Khamovniki (one of the few unburned quarters of Moscow) the whole mass of prisoners suddenly started to one side and exclamations of horror and disgust were heard.
Produces less unburned hydrocarbons and carbon monoxide than diesel when used in a diesel engine; is sulfur free and carbon-neutral.
A skin graft involves taking a piece of skin from an unburned portion of the person's body (autograft) and transplanting it to the burned area.