They are called man holes, or manhole covers.
Those metal things in the middle of the road are called "manhole covers" or "manhole lids." They are used to cover openings to underground utility lines and provide access for maintenance and repair work.
You mean bridges? Those would be called puentes.
Sleeping Mask.
It is called a rain bonnet.
Those are apparently simply called flip down clocks.
If you mean the "International E-road network", they're just called E-roads. If you mean the highway system; it's called different in every country (language). The general word for those roads would be the British 'Motorway', or just 'Highway'.
Those are actually called "shooting sleeves" and basketball players wear them to help maintain their shooting form.
Yes they do and are called rubber boot covers or rubber shoe covers and one of the stores online that sale them is shopzill.com.
Those that can afford them do.
Those letters spell roads.
Those were stone bridges and levees, to separate the salty water from the fresh water used by Tenochtitlan's population.
no those bikes are not made for those kind of roads