Mirrors
http://www.glasswebsite.com/video/mirror.asp

40 psi = 2.7 atm
80-90°F = 27-32°C
90-100°F = 32-38°C
70-80mg/ft2 = 750-860mg/m2
15-18mg/ft2 = 160-190mg/m2
265-280°F = 130-138°C