A container generally manufactured with four sides perpendicular to the base and sometimes having a lid or protect. Gabletop Pak delivers an in depth choice of gable leading cartons and containers, catering to various industries and packaging needs. Their product or service lineup consists of: I thought trigonometric substitution only https://gabletoppak.com/from-plastic-bottles-to-gabletop-cartons-a-step-toward-solving-the-plastic-pollution-crisis/