Category 📘English Free eBooks

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📘English Free eBooks

Microplastics and Chemical Toxicity in Hot Paper Plates

Microplastics shedding mechanism from heated single use disposable paper tableware

Microplastics shed from heated paper plates into food. Learn the toxicological risks and practical non-toxic alternatives.

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September 30, 2026

📘English Free eBooks

How to Use GPT-6 Astra: The Complete Practical Guide

GPT-6 Astra Complete Guide — RamthaMedia Free eBooks English cover

A complete practical guide to GPT-6 Astra, with 30 chapters, 17 copyable prompts, research, writing, coding, business workflows, costs, and limitations.

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September 27, 2026