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...think the total for the 10th row will be? Keep this paper handy as you will need your triangle later in the course. Discussion The next two rows are 1, 7, 21, 35, 35, 21, 7, 1 and 1, 8, 28, 56, 70, 56, 28, 8, 1. There are many different patterns. The 1s down the sides of the triangle is probably the easiest one to spot! You can also see the counting numbers 1, 2, 3, 4, 5...

...systems: Property Urethane, high modulus Nylon 6 Epoxy Glass content (%) 23* 25* 45 - 52† Tensile strength (MPa) 45 52 193 - 303 Elongation (%) 14 13 – Flexural modulus at 24˚C (MPa) 2620 1896 17,927 - 25,511 Coefficient of linear thermal expansion (parallel to fibres) (× 10-6 ˚C-1) 45 52 – *1.6 mm milled glass; † continous glass. Design: Similar to injection...

...systems Fluorine/boron compounds 600 - 1000˚C particularly with refractory oxides Design: Joint clearance is critical, depending on brazing materials, surface condition, degree of alloying and length of joint. Recommended joint clearances vary from interference fit to 0.6 mm. Lap joints are preferred to butt joints wherever possible. Strength and reliability depends on...