1 It was surrounded with heaps of combustible materials.

2 Don't smoke near combustible materials.

3 The heat can penetrate combustible materials, alter their composition and make them ignite at lower temperatures.

4 It contained a substantial amount of combustible materials, said a fire officer.

5 Explosive when mixed with combustible material.

6 The products of burning depend on the combustible material.

7 Do not place combustible material within fire spark range.

8 Fire: Rapid Burning of combustible material,(www.Sentencedict.com) producing heat and usually accompanied by flame.

9 Never cover the lamp by any combustible material when it's working.

10 Are hazardous & combustible material stored securely in well ventilated areas?

11 It is against the law to take combustible material onto an airplane.

12 The defendants stored on their land large quantities of combustible materials which ignited in mysterious circumstances.

13 All these complicated arrangements of status and privilege contained plenty of combustible material.

14 The noncombustible debris produced by the blast frequently covered and prevented the burning of combustible material.