Question: Normal force N Force caused by impact abrasion cleaning andor installation work A dynamic load
Please fix the punctuation.
Fixed: [Normal force (N) Force caused by impact, abrasion, cleaning and/or installation work. A dynamic load.]

Question: This is not an unusual way for an Australian family to spend Christmas and is definitely a lot more suited to the climate
Please fix the punctuation.
Fixed: [This is not an unusual way for an Australian family to spend Christmas, and is definitely a lot more suited to the climate.]

Question: Based on this information and the normalization is performed simultaneously in the two channels Level of normalization for Mp3 files expresses in percentage concerning value in 89 db in the program Sound Normalizer That is 89 db it is 100 89 dB is defined by practical consideration for majority Mp3 files volume level on which else there are no clipping
Please fix the punctuation.
Fixed: [Based on this information and the normalization is performed simultaneously in the two channels. Level of normalization for Mp3 files expresses in percentage concerning value in 89 db in the program Sound Normalizer. That is 89 db - it is 100%. 89 dB - is defined by practical consideration for majority Mp3 files volume level, on which else there are no clipping.]

Question: A presentation which even penetrates enigmatic mysteries making the reader rejoicing in enthusiasm
Please fix the punctuation.
Fixed:
[A presentation, which even penetrates enigmatic mysteries, making the reader rejoicing in enthusiasm.]