Ultrasonic Cat & Dog Repeller Circuit PIC16F627
How Well Do Dogs and Other Animals Hear?
Public exposure to ultrasound and very high-frequency sound in air
"Super Ultrasonic" repellent for aggressive 150dB ultrasound dogs
The Shared Responsibilities of PPE Compliance
Getting Started with the HC-SR04 Ultrasonic sensor
Some consumer products using high sound frequencies
Cut And Bite Resistant Clothing
Men's Stowaway Rain Jacket with Gore-Tex
The GORE-TEX Membrane – an extraordinary allrounder
USPS: Taking a Bite Out of Dog Attacks
Guidelines for Occupational Health and Safety in the Care
Canine and human factors related to dog bite injuries
Protective Equipment for Working with Animals
Can You Score 100% on this Dog Safety Quiz? (Your Mail Carrier Wants to Know!)
Occupational Dog Bite Prevention & Safety