Both Sasha and Dexter are now able to detect 6 kinds of the residue vapour of petrol, kerosene, diesel, turpentine, white spirit and thinner which are commonly used as accelerant in deliberate fires.

• 莎莎和德仔现时能够侦测到一般用于纵火的汽油、火水、油渣、松节油，白电油及天拿水等6种残馀蒸发气味。