impregnated cloth การใช้

• Halkett's first design was a collapsible and inflatable boat made of rubber-impregnated cloth.
• The Elco, Higgins and Huckins companies used varying lightweight techniques of hull construction which included two layers of double diagonal mahogany planking utilizing a glue-impregnated cloth layer between inner and outer planks.
• The individual packet contained a tube containing 5 grams of ointment ( 30 % calomel + 15 % sulfathiazole ), a direction sheet explaining how to apply the ointment, a soap impregnated cloth and cleansing tissue.