Мачты важны для судов и наземных сооружений, поддерживая оборудование. Они бывают из стали, алюминия, дерева, композитов, высотой от легких для яхт до устойчивых для наземных конструкций - https://machty.ru/blog/vidy-macht  Бывают фиксированными и подвижными, включая телескопические. Для морских условий мачты устойчивы к нагрузкам и соленой воде. Назначение мачт (радиосвязь, освещение) влияет на их особенности и требования.

Виды мачт - https://machty.ru/blog/vidy-macht

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