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One source of microplastics is single-use plastics, such as bags, straws, utensils, condiment packets, coffee stirrers, lids, and polystyrene (a.k.a. plastic foam) cups and takeout containers.—Letters To The Editor, Hartford Courant, 28 Mar. 2026 Using a roller, roll paint over the plastic foam blocks, and press image onto white art paper.—Janna Oberdorf, Parents, 15 Dec. 2025 In 2018, the second-largest Hawaiian island banned plastic foam food containers.—Kathleen Wong, USA Today, 12 Dec. 2025 Secretary for Security Chris Tang said Friday initial information suggested that the blaze started around the scaffolding net encasing the lower floors of one tower, then spread rapidly inside aided by highly flammable plastic foam panels fitted to the windows of the apartments.—Chan Ho-Him, Christian Science Monitor, 29 Nov. 2025 See All Example Sentences for plastic foam