| 1 | A: What is flammability? | |
| 2 | The fuel might be wood, charcoal or any other burnable material. | |
| 3 | Then, their flammability may be a by-product of tasting terrible. | |
| 4 | Oxidants are substances that support combustion and enhance the combustibility of other materials. | |
| 5 | Development of ammonia as a fuel must include ways to improve its combustibility . |