As a result, many manufacturers have replaced phthalates with chemicals such as DINCH, another type of plasticizer, but less is known about the effects of this chemical compound on humans. DINCH has ...
Discerning pencil users generally prefer white polyvinyl chloride (PVC) erasers over the cheaper pink rubber ones. PVC takes up pencil lead better and causes less damage to paper. Pentel, which makes ...
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