Add spaces: Nowit'salsoasuitableopportunitytore-potyourplants.Thenewdiameterofthepotshouldbeapproximately3cmlargerthantheoldpot.

Answer: Now it's also a suitable opportunity to re-pot your plants. The new diameter of the pot should be approximately 3 cm larger than the old pot.
Eventhoughmanystarsareconsiderablylargerthanoursunandsomemayburnmuchlonger,wecansafelyassumethatourlittlespeakerwillneedmorepowerthanthetotalamountofknownstarswilldeliverintheirwholelifespanwayintothefutureuntilalllightisoutandeverythingturnstodustandnothingnessinthebig"gnabgib"(theoppositeofbigbang).

Even though many stars are considerably larger than our sun and some may burn much longer, we can safely assume that our little speaker will need more power than the total amount of known stars will deliver in their whole lifespan way into the future until all light is out and everything turns to dust and nothingness in the big "gnab gib" (the opposite of big bang).
[Q]: [Amanufacturerof108pcsledT8,120cmatzhongshankarnarlighting&electronfactory.]
[A]: [A manufacturer of 108 pcs led T8,120cm at zhongshan karnar lighting & electron factory.]
Problem: Add spaces: useofbiologicalessencesaswell

Spaces added: use of biological essences as well
This text is missing some spaces, please add them: Harvestingmachineryforagriculturalproduce(excl.mowers,haymakingmachinery,strawandfodderbalers,incl.pick-upbalers,combineharvester-threshers,otherthreshingmachineryandrootortuberharvestingmachines)
Harvesting machinery for agricultural produce (excl. mowers, haymaking machinery, straw and fodder balers, incl. pick-up balers, combine harvester-threshers, other threshing machinery and root or tuber harvesting machines)
[Q]: [Description:Spiderwaitspatientlyonbutterflyprey]
[A]:
[Description: Spider waits patiently on butterfly prey]