With over 24 million reported crimes in the U.S. in 2003, personal safety is a top concern. Michigan State Police offer tips, including staying alert, trusting instincts, and securing your home and car. Carrying whistles, mace, or concealed stun guns adds an extra layer of protection in uncertain situations.
Garage door openers, a vital component for convenient living, employ rolling frequency technology for secure and efficient operation. With options like chain, screw, or belt drives, these devices rely on springs for lifting. Jackshaft and trolley types offer versatile installation, while AC and DC motors ensure reliable performance. Safety features include auto-reverse, remote-controlled lighting, keypads, and emergency release.
