For outdoor open water supply pipelines, thermal insulation measures should be taken in accordance with the national technical regulations for antifreeze and thermal insulation engineering of water supply pipelines.
Laryngoscopy (/ˌlærɪŋˈɡɒskəpi/) is endoscopy of the larynx, a part of the throat. It is a medical procedure that is used to obtain a view, for example, of the vocal folds and the glottis.