Simple Object-Oriented Design: Create clean, maintainable applications

Lothee 100 Pcs Blank Cattle Ear Tags Large Plastic Precision Animal Identification Blank Livestock Ear Tags for Cattle Cow Horse Dog Pig Goat Sheep Farm Management (Pink)

100PCS 001-100 Number Cattle Ear Tags Plastic Livestock Farm Animal Tags ID Tags Yellow Green Blue Orange Ear Tagger for Cow Cattle Sheep Goats Pigs Hogs Mark Label (Red)

APlayfulBee 50Pcs Z Tags One-Piece Cattle Ear Tags TPU Blank Livestock Animal Identification for Cattle,Sheep Goat, Pig, Large Size (White), 1.92x1.67 inch

Z Tags One-Piece 50pcs TPU Blank Large Cattle Ear Tags with Specialized Pliers, Animal Identification Tags for Cows Goats Sheep Pigs (Blue)

Geelin 100 Pcs Blank Cattle Ear Tags 1 Marking Pen Cow Livestock Ear Applicator Label Tags Set for Cattle Cow Horse Pig Goat Sheep(Green)

Livestock Ear Tags for Sheep 001-100 Number Plastic Goat Tag Animal Identification with Punch Applicator Plier Tools for Goats Sheep Pigs (Green, 001-100)

100 Pieces Blank Cattle Ear Tags with Pliers,TPU Blank Animal Identification Livestock Ear Tags for Cattle Cow Horse Pig Goat Sheep (Yellow)

Stainless Steel Ear Tag Removing Tool,Animal ID Tags Remover,Livestock Tool for Cattle Sheep Goat Pig Ear Tag (Blue)