GLASS The most important part of the lens. Lens quality is dependent upon the quality, type and arrangement of the glass elements within. ZOOM RING Turn this to…

Whereas the First World War at sea is best remembered for the actions of the larger warships, a large proportion of the everyday duties of the Royal Navy…

Nowadays, commercially available washing machines are provided with features like auto-off timer, reversible impeller etc. Most of them have mechanical timers, reversers etc. Some are equipped with electronic…

The introduction of more stringent environmental standards in Russia — is already a reality. We will understand the peculiarities of operation of diesel engines with EGR and SCR…

Despite the instability in the region in June 2013 Concern "Ruselprom" began shipment of engines ANM-355H-4t2s, production Safonovsky Electric Factory (SEZ) in Iraq. The motors are designed for…