This way, even if other drivers keep their windows tightly shut and turn the music in their cars up to maximum volume, they still won’t fail to hear the siren.
The high-frequency sound of the siren will more or less reach the ears of other drivers, and the corresponding low-frequency vibrations can’t be blocked by the car body at all.
The combination of high and low frequencies directly stimulates anyone who hears it. As long as a person is awake, they won’t fail to notice that a police car is approaching.
In such circumstances, if someone still refuses to make way or cooperate with traffic, the police can prosecute them, and the involved person’s lawyer won’t be able to defend them.
This alarm system also has another benefit: it reduces the shrillness of the high-frequency siren. New Zealanders really dislike police cars blaring sharp sirens as they roar past their doorsteps. With the low-frequency alarm, the high-frequency siren is basically just for show.
Auckland City is in charge of police-car modifications. On Tuesday, Wang Bo drove over with his team. Seeing him, Chief Smith chuckled and said, “Every time I see your police cars, I find them fascinating.”
Sunset Town’s police cars include sports cars, jeeps, SUVs… Even though New Zealanders value individuality, there are few police departments with such a mixed fleet.
After joking about Wang Bo’s cars, Chief Smith accepted a cup of coffee from his secretary and asked the question he cared about most: “How are my two police dogs doing with their training?”
Wang Bo had come prepared. He opened his phone to show him a video.
The Heart of the Beast Field also works on the two puppies, slowly enhancing their intelligence. Combined with Gerald’s training, both puppies had made progress recently. In the video, Gerald demonstrated various commands—simple ones like stand, sit, advance, retreat, refuse food, run, jump, and so on.
Chief Smith’s eyes lit up as he watched, his attention fully locked in. He watched the video twice before stopping to ask, “How many commands have the two dogs learned so far?”
A dog that can learn twenty commands is considered a qualified police dog.
But this question stumped Wang Bo—he wasn’t a dog trainer and hadn’t paid attention to this. So he could only improvise: “Oh, they’re very smart. They’ve already learned eighty or ninety commands.”
“Eighty or ninety?” Chief Smith was stunned. Of course, this was a communication misunderstanding—Wang Bo had used Chinese-style English, where “eight or nine tens” meant “eight or nine”, but sounded like “eighty to ninety”. He quickly clarified.
Even so, hearing that the puppies had learned eight or nine commands pleased Chief Smith. They were only just over two months old—still very young—so learning that many commands at this age was already remarkable.
Police dogs hold an important status in New Zealand’s police system. There’s even a saying within the police circle: “Whether you need it or not, raise a dog.”
So Wang Bo now held an unusually high status in Auckland Police Station. And because of love me, love my dog, his elevated status also raised the status of his police cars. The repair shop that collaborates with the police department gave his vehicles a full system upgrade.
The mechanic in charge of the modifications said, “Chief, first I need to explain that even though the low-frequency alarm is effective, low-frequency sound waves are extremely unpleasant and can even cause physical discomfort.”
“So there are usage restrictions. It can only be manually activated by the driver while the high-frequency siren is on, and only under the following circumstances:
During a chase, when the vehicle in front refuses to stop.
Passing through a busy intersection with many moving vehicles.
When the police car is blocked, and the vehicles ahead are not actively making way—then it can be used to ‘push’ them aside.”
“At night, or when there aren’t many traffic participants on the road, it’s best not to use the low-frequency alarm. After all, you swore an oath upon employment to conduct humane law enforcement.”
Wang Bo thought about it—had he ever taken such an oath? He didn’t remember, so probably not.
The difficulty of the system lay in synchronizing the high-frequency siren with the low-frequency alarm. Installation itself was quick—just an afternoon’s work—so Wang Bo and his men went shopping in Auckland.
Auckland’s major hospitals had begun the biennial mammogram screening for women. Seeing this, Wang Bo scratched his head and said, “We should start this event too, right?”
Atulu grinned and nodded. “Yes, boss. I hope I can help Dr. Yi when the time comes—I’m part of the hospital too.”
In New Zealand, women enjoy a special medical benefit: they can receive one free mammogram every two years.
This is a nationwide health-screening program aimed at early detection of breast cancer, with a simple goal—reducing mortality from the disease.
Breast cancer is aggressive among women worldwide, and the risk increases with age.
The troublesome part is that apart from screening, there’s no better warning method.
Statistics show that three-quarters of women diagnosed with breast cancer are over fifty, yet most patients have no family history. In other words, family history isn’t a reliable indicator—screening is the best method.
This screening occurs every two years. The last time it took place, Sunset Town didn’t yet have a community hospital, so residents had to go to Auckland. Now, Sunset Town has its own hospital, making it much easier for local women.
Naturally, this job involves interacting with women, which holds a certain… temptation for men.
Once the police cars were fitted with the low-frequency alarms, the group headed back.
Wang Bo wanted to go to the hospital to discuss starting the screening program with Dr. Yi, but at this moment, Serbian carpenter Dayan informed him that the first observation deck had been completed.
The observation deck was meant for the Beast Field, where Dayan had been working. Wang Bo had been focused on the flower fields lately and hadn’t paid much attention to the Beast Field.
Driving over, he could see from afar a wooden tower at least five or six meters tall standing upright.
The tower was built neatly and solidly, constructed using kauri wood and pine.
Dayan had designed the deck with two levels—the middle and the top level—both of which could hold people. He had also cleverly handled the mobility issue: large tires were installed at the base. These four tires not only stabilized the structure, but could also be used to move it if needed.
Dayan explained, “When you want to move it, just use horses to pull it. I saw that the ranch has plenty of horses—so we can make use of them.”
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