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Subject: beam trolley Здравствуйте,помогите перевести beam trolley контекст - Beam trolleys must not be used on any beam other than those designed, tested and marked as a runway beam. They may be used on a beam forming part of a structure where a specific design check for this purpose had been made and end stops, or a suitable means of preventing the trolley from running off the end of the beam, have been fitted. The beam must also be sufficiently level under all loading conditions such that the trolley will not run away. Спасибо заранее, |
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