1.Катта ҳажмли электр ускуналарида иловада кўрсатилган плакатларни 2:1, 4:1, 6:1 муносабатдага ўлчамларда катталаштиришга рухсат этилади.
2. Корхоналарда ишлатилаёттан Қоидаларнинг аввалги нашрларида келтирилган 1 ва 2-хавфсизлик белгилари, ушбу Қоидалар кучга (амалга) киритилгандан сўнг 2 йилгача ишлатилиши мумкин, ундан кейин эса улар ушбу Қоидаларда келтирилган хавфсизлик белгилари билан алмаштирилиши лозим.
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