Noun:

ਚੇਤਾਵਨੀ ਜੰਤਰ,

warning device's Usage Examples:

II listed First World War concrete acoustic mirror used as an early warning device.

of the startup Discovery Democracy LLC that manufactures a proximity warning device that helps workers maintain social distance.

This leisure activity was based on the mining tradition of carrying a songbird (as an early warning device against toxic gases).

primarily use a powerful air horn instead of a whistle as an audible warning device.

horn is an extremely loud, powerful air horn that serves as an audible warning device on electric and diesel locomotives, electric or diesel power cars, and.

trains, and some ambulances as a warning device, and on ships as a signaling device.

employed as vehicle horns, installed on large buses, semi-trailer trucks, fire trucks, trains, and some ambulances as a warning device, and on ships as a signaling.

They were usually combined with a so-called "backwards warning device", indicated by the addition of the letters "V/R" ("Vorwärts/Rückwärts".

A train horn is an extremely loud, powerful air horn that serves as an audible warning device on electric and diesel locomotives, electric or diesel power.

The National Emergency Alarm Repeater (NEAR) was a civilian emergency warning device in the United States.

Railway whistles Steam warning devices have been used on trains since 1833 when George Stephenson invented and patented a steam trumpet for use on the Leicester and Swannington Railway.

It can also be used in short lengths in simple boobytraps and early warning devices.

As train whistles are inexpensive compared to other warning devices, the use of loud and distinct whistles became the preferred solution.

Synonyms:

siren, alarm system, burglar alarm, alarm, smoke alarm, motor horn, automobile horn, hooter, car horn, device, fire alarm, horn,

Antonyms:

man, fearlessness, alarming, unalarming,