Test buffer solution vial e kite: o que têm em comum

1. Passo 1. Test buffer solution vial — faz parte de — Rapid test. It extracts the antigen from the sample.
2. Passo 2. Rapid test — é feito de — Celulose. The strip is nitrocellulose.
3. Passo 3. Celulose — é material para — Paper. Paper is cellulose fibres.
4. Passo 4. Paper — é material para — Hot air balloon. It was lined with paper on the inside.
5. Passo 5. Hot air balloon — é feito de — Silk. The Montgolfier balloon was fabric lined with paper.
6. Passo 6. Silk — é material para — Kite. Chinese kites were silk.

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