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A hard hat is a type of helmet predominantly used in hazardous environments such as industrial or construction sites to protect the head from injury due to falling objects (such as tools and debris), impact with other objects, and electric shock, as well as from rain. Suspension bands inside the helmet spread the helmet's weight and the force ...
Construction workers can colloquially be referred to as "hard hat workers" or "hard hats", [5] as they often wear hard hats for safety while working on construction sites. Nevertheless, the term is a broad and generic one and most construction workers are primarily described by the specific level and type of work they perform.
Battens are variously used in construction, sailing, and other fields. In the lighting industry, battens refer to linear light fittings. In the steel industry, battens used as furring may also be referred to as "top hats", in reference to the profile of the metal.
It is also commonly used to determine the amount of wind on the top of the structure. A Scandinavian tradition of hoisting a pine tree to the top of framed out buildings had a more functional purpose: when the pine needles fell off, the builders knew the wood frame below had cured/dried out so they could enclose the building. [2]
c. 1910 top hat by Alfred Bertiel European royalty c. 1859 Austin Lane Crothers, 46th Governor of Maryland (1908–1912), wearing a top hat. A top hat (also called a high hat, or, informally, a topper) is a tall, flat-crowned hat traditionally associated with formal wear in Western dress codes, meaning white tie, morning dress, or frock coat.
The history of construction traces the changes in building tools, methods, techniques and systems used in the field of construction.It explains the evolution of how humans created shelter and other structures that comprises the entire built environment.
Container cranes were used from the 1950s and onwards, and made containerization possible. Nowadays such is the importance of this machinery, some transport companies have developed specific equipment to transport heavy construction equipment to and from sites.
A top hat, also known as a stove pipe or snoot, is a device used in theatrical lighting to shield the audience's eyes from the direct source of the light. [1] It is shaped like a top hat with a hole in the top, and the brim being inserted into the gel frame holder on a lighting instrument.