ผลการค้นหา: "combination"

Fire alarm device using several factors, such as the presence of smoke and temperature rise

Ski for downhill or slalom

These defence sprays combine several features: personal alarm (first stage), tear gas and identifier color (second stage).

In an electric power system, switchgear is the combination of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize eq…อีก

Defence sprays are intended to blind the attacker, giving the victim time to get away. The most advanced models also mark the attacker with special identifier color, enabling to identify the attacker later. Sprays can be…อีก