The manufacturer produces a variety of covers, most of which are made of metal . At the time of writing this entry, only one concrete cover was found, and even it is a metal cover by the manufacturer encased in concrete .
The shapes of the covers include round , elliptical , or square with rounded corners . In fact, the most common type is round covers enclosed in a square frame, to facilitate paving around the cover when installed on a sidewalk .
This manufacturer does not produce colored covers. Some covers are painted after production, usually by the local authority (blue to indicate a water cover ). No gilded covers made by this manufacturer have been found.
City emblems (or those of other clients) for which the covers are intended are very common on the manufacturer’s covers—likely due to local authority requirements .
The function of the cover is usually inscribed on it: water , sewage , drainage , lighting , etc.
Many covers bear the year of manufacture .
Many of the covers are produced from a fixed mold, onto which plates are added as needed (city emblem, city name, cover purpose, etc.) . Sometimes one of the plates is missing - either intentionally or due to wear .
Standards Almost all covers bear the standard mark of the Israel Standards Institute . The European standard EN124 and its associated load classes appear on nearly all covers, with the most common classes being B125, A50, and D400 . The Israeli Standard 489, designated for covers in areas with vehicular or pedestrian traffic, appears on fewer covers .
Typical Covers A typical cover from this manufacturer is a round one (often surrounded by a square frame), with the city emblem in the center, and around it the cover’s function (sewage, drainage, etc.) and technical details , , .
Another type features a very large emblem (usually of the local authority) , , or a medium-sized but still prominent emblem .
Drainage covers with actual drainage slots (as opposed to simply labeled “drainage”) are very rare .
Elliptical covers (usually for water), which are very similar to each other, can be divided into two types: regular elliptical and “fat” elliptical .
Another common type is small water covers that display either the city emblem or its name .
Another cover series (apparently quite old) consists of concentric circles .