A step-by-step automatic telephone exchange brought into operation in 1921 at a post office in Ljubljana, which was the first automatic exchange in the...
The active model for unemployment benefits was put into effect on 1 January 2018 in Finland.
unemployed person will be required to report his job-seeking...
The W48 (from German: Wählfernsprecher) was a dial-operated desktop telephone developed in 1948 in West Germany. It is made from the polymer Bakelite...
The fire department bell is a component of a two-axled fire engine from the end of the 19th century. It was used to signal the right of way acoustically...
TThe tone sequence siren (German: Martinshorn) is a component of the fire engine/water tanker Magirus F Mercur 125, built in 1961. The vehicle was originally...
The maintenance begins with brushing the outside of the host.
Sound level: 83 dB
A fire hose is a high-pressure hose that carries water to a fire to...
In the second stage of hose maintaining the hose is filled with water.
A fire hose is a high-pressure hose that carries water to a fire to extinguish...