SECTION 3

1. The provisions of Article 2 do not apply to machinery or dangerous parts thereof specified in that Article which (a) are, by virtue of their construction, as safe as if they were guarded by appropriate safety devices ; or (Z>) are intended to be so installed or placed that, by virtue of their installation or position, they are as safe as if they were guarded by appropriate safety devices. 2. The prohibition of the sale, hire, transfer in any other manner or exhi bition of machinery provided for in paragraphs 1 and 2 of Article 2 does not apply to machinery by reason only of the machinery being so designed that the requirements of paragraphs 3 and 4 of that Article are not fully complied with during maintenance, lubrication, setting-up and adjustment, if such operations can be carried out in conformity with accepted standards of safety. 3. The provisions of Article 2 do not prohibit the sale or transfer in any other manner of machinery for storage, scrapping or reconditioning, but such machin ery shall not be sold, hired, transferred in any other manner or exhibited after storage or reconditioning unless protected in conformity with the said provisions.