Sagot :
Answer:
Rubber bottles
Explanation:
Modern conventional hot-water bottles were patented in 1903 and are manufactured in natural rubber or PVC, to a design patented by the Croatian inventor Eduard Penkala.
Answer:
Rubber bottles
Explanation:
Modern conventional hot-water bottles were patented in 1903 and are manufactured in natural rubber or PVC, to a design patented by the Croatian inventor Eduard Penkala.