Notes concerning “Strength of materials”

• Ballpoint SPIF 02020-04-25 (7 minutes)
• Sodium silicate 02020-06-04 (32 minutes)
• Machine teeth 02020-08-02 (updated 02020-12-31) (8 minutes)
• Phosphate precipitation 02020-09-10 (12 minutes)
• Solar netting 02020-09-23 (9 minutes)
• Globoflexia 02020-10-05 (updated 02020-10-10) (37 minutes)
• Oscillating flexion 02020-10-15 (updated 02020-10-16) (11 minutes)
• Jigsaw blades 02020-12-31 (5 minutes)