Dave King, from the service, said sniffer dogs and thermal-imaging equipment had been used.
"Temperatures as low as -3C have affected the sniffer dogs' sense of smell, " it added.
Sniffer dogs scanned the debris late Tuesday for signs of human remains, CNN affiliate KCTV reported.
Sniffer dogs were being used to search the smouldering wreckage for any human remains, city officials said.
Some Guayaquil schools asked the police to carry out bag inspections and do checks with sniffer dogs.
BBC: Ecuador student's death highlights school drugs problem
They brought in sniffer dogs and telescopic cameras over a number if days, even searching the attic.
Armed guards and sniffer dogs have been posted at both hotels and X-ray machines are to screen guests' bags.
Civil defence teams with sniffer dogs called off their efforts late on Sunday, nearly 12 hours after the quake struck.
Xinhua also said that more than 870 firefighters have been sent to Baoxing with light rescue equipment and 11 sniffer dogs.
Xinhua also said that more than 870 firemen have been sent to Baoxing with light rescue equipment and 11 sniffer dogs.
Judge Susan Evans at Winchester Crown Court said the drugs were so well hidden that sniffer dogs could not trace them.
As well as pesticides, freezing, heating, vacuuming and even sniffer dogs to root out infestations are all used in the fight against bedbugs.
Metal detectors will be positioned at the end of the gangplank, while sniffer dogs and uniformed and plain clothes policemen will stand guard.
British airports will also use more sniffer dogs to try to find explosives, Johnson said in a speech to the House of Commons.
Rescue teams with sniffer dogs have been fanning out across Christchurch.
Police on Monday were still scouring the area where the body was found for clues, with the help of sniffer dogs, the state-run Anadolu Agency reported.
Plastic wrap and glue had been used to try to confuse sniffer dogs, and carbon paper was used to try to dull the perception of X-ray machines.
This could also be important in understanding the capacities of dogs that have to interact closely with humans, such as guide dogs for the blind and sniffer dogs.
International rescue workers began pouring into Turkey on the day of the tremor, bringing with them equipment and sniffer dogs to try to locate and extract any survivors.
At the very least, this raises the possibility that the hijackers rather boldly started out with empty handguns - perhaps fearing sniffer dogs would be alerted by ammunition.
Workers, too, are monitored, their bags checked by sniffer dogs.
They regularly use sniffer dogs as part of their investigations.
Cars have been searched by sniffer dogs checking for explosives.
In its brave-new-world concrete compound, snipers, sniffer dogs and intelligence people subject Israeli Arabs returning home to more intrusive and humiliating inspections than at any other West Bank crossing.
He said it would be unfeasible to check each of the thousands of parcels that fly in and out of UK airports but explosives sniffer dogs should used more extensively.
Such activities, co-ordinated by Leicestershire police, have included translators, family liaison officers, child abduction experts and specialist sniffer dogs, but there have been little or no new initiatives in the last few weeks.
Previous searches had caused outrage partly because the Army used sniffer dogs even though the conservative Shia Muslims regard dogs as unclean and because soldiers were accused of disrespect by rifling through women's wardrobes.
Few maps are made of where the mines are laid, and since the home-made varieties contain very little metal, they are extremely difficult to detect and so sensitive that even sniffer dogs can detonate them.
BBC: Farc rebels have been fighting the government for decades
Compared to existing robotic devices and traditional means of search and rescue using sniffer dogs, snake robots are packed with sensors and can use their unique shape and delicate movement to crawl over rubble and bend around obstacles.
应用推荐