20 PLASTIC CONTAINERS FOR COMMERCIAL PACKAGING USE; PLASTIC BOXES FOR COMMERCIAL USE, ESPECIALLY IN THE FOOD INDUSTRY; NON-METAL TROUGHS FOR MIXING MORTAR; PLASTIC BUCKETS FOR COMMERCIAL USE; BUCKETS OF PLASTIC IN THE FORM OF PACKAGING CONTAINERS FOR INDUSTRIAL USE, ESPECIALLY IN THE FOOD INDUSTRY; PLASTIC MEDICATION AND DOSAGE BOXES AND CONTAINERS FOR THE PHARMACEUTICAL AND SURGICAL INDUSTRIES; PLASTIC FREEZER INSERTS FOR CONTAINERS FOR INDUSTRIAL USE, ESPECIALLY IN THE SLAUGHTERING AND FOOD INDUSTRIES; PLASTIC BALLOT BOXES