obliged to take measures in each item of paragraph (1) of Article 25-2, who carries out the said work by oneself, shall take necessary measures in accordance with those taken pursuant to the provisions of paragraph (1) or (4) of Article 30-3.
• (4) In the case of paragraph (1) or (4) of Article 30, paragraph (1) or (4) of Article 30-2, or paragraph (1) of Article 31, workers shall abide by the necessary matters in accordance with the measures taken pursuant to the said provisions or the provisions of the preceding three paragraphs.
• (5) In case of Article 31-2, the contractor involved in the work provided for in the said Article shall take necessary measures in accordance with the measures taken pursuant to the provisions of the said Article.
• (6) In case of paragraph (1) or (4) of Article 30, paragraph (1) or (4) of Article 30-2, paragraph (1) or (4) of Article 30-3, paragraph (1) of Article 31, or Article 31-2, workers shall observe the necessary matters in accordance with the measures taken pursuant to these provisions or each provision of the preceding paragraphs.
• (7) The contractor referred to in paragraph (1) through (5) and the workers set forth in the preceding paragraph, shall follow the instructions given by the specified principal employer, etc., referred to in paragraph (1) of Article 31, the principal employers, etc., referred to in paragraph (1) of Article 31-2 or paragraph (1) of Article 30-3, the orderer referred to in paragraph (1) of Article 31 or Article 31-2, and the orderer or contractors referred to in paragraph (1) through (5), with a view to ensuring the implementation of the measures under the provisions of paragraph (1) or 4 of Article 30-3, or paragraph (1) of Article 31, or Article 31-2, or paragraph (1) through (5).
Article 33. (Measures, etc., to Be Taken by Machine Lessors, etc.)