Gas and carbon monoxide detectors are simple to use and relatively inexpensive devices that can save health or life. Uncontrolled gas leaks in workplaces and residential buildings are rare today, but it is better not to tempt fate. What is it worth knowing about these ...
The Arctic – filled with snow, calm and silence. A place where a seal is hungrily staring at fish and polar bear is impatiently watching it from behind. On the shore arctic terns are relaxing their feet keeping a vigilant eye on us. On a ...