I am having to check the strength of a mezzanine floor built of 2x8 beams, 3/4 ply and 2x4 posts.
Does anyone have tensile stress etc info for spruce and pine?
Is there a standard floor load or Safety factor I should aim at?
Makes a change from the usual financial engineering I am cursed to...
Amsoil- the only true synthetic(according to Amsoil)?
Mobil 1 - made by Mobil,most common?
Shell- not available in 5W30
BP- not available over the counter
Valvoline,Quakerstate, Castrol - about the same price as Mobil 1.Claimed by experts(Amsoil) not to be made by the brand on the bottle...
I have been searching the web to find the 'best'(price to oiliness value) synthetic oil for my cars. If the one exclusive oil site is to be believed there are no true 100% synthetics available.
Mobil 1's MSDS shows 4% polyolefins. What is the other 96%.
If this is a 'full synthetic' what is...
