07. Sheet glass manufacture: the float process
Sheet glass is manufactured using a process called the float process. This process was invented by Sir Alastair Pilkington in the 1950s and is still widely used
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Sheet glass is manufactured using a process called the float process. This process was invented by Sir Alastair Pilkington in the 1950s and is still widely used
Làm bài tại lanaenglish.com