Operations shall be deemed as insufficient or secondary, whether made separately or together, to give a commodity the originating status in any of the following cases:
1. Operations necessary for assuring the proper preservation of commodities for the purposes of transportation or storage including, ventilation, diffusion, drying, cooling, removal of damaged parts, etc.
2. Simple operations conducted on the products including, removal of dust, filtering, ordering, classification, washing, varnishing, cutting, changing and disengaging and assembling of covers, simple packaging in bottles, vials, bags, cans or boxes, labelling the trademarks on the products or its boxes, simple mix-up, animal slaughtering, in addition to other similar simple operations.