Add spaces: Oneoftheseisthewaveofsit-downstrikes.

Answer: One of these is the wave of sit-down strikes.
AftercompletinghisdoctorateKillingtrainedtobecomeaGymnasiumteacherofmathematicsandphysics,alsoqualifyingtoteachGreekandLatinatalowerlevel.

After completing his doctorate Killing trained to become a Gymnasium teacher of mathematics and physics, also qualifying to teach Greek and Latin at a lower level.
[Q]: [Wiringupisquickwithterminalclampssuppliedreadyopenandequippedwithnon-dropPozidrivescrews.Theconnectorscanbemadeevenmoresecurewithextraterminalshroudsifnecessary.]
[A]: [Wiring up is quick with terminal clamps supplied ready open and equipped with non-drop Pozidrive screws. The connectors can be made even more secure with extra terminal shrouds if necessary.]
Problem: Add spaces: MainstrategicfunctionofthecastlewasaguardianfortificationontheroadtoPoland.Nowadays,thereistheOravaMuseum(Slovak:Oravskemuzeum)locatedinsidetheroomsofthiscastle.

Spaces added: Main strategic function of the castle was a guardian fortification on the road to Poland. Nowadays, there is the Orava Museum (Slovak: Oravske muzeum) located inside the rooms of this castle.
This text is missing some spaces, please add them: 9.NuggetsinthePan(VitaminDTestAvailability,ThisResveratrolAmITakingittheRightWay?,The"SampsonSecret",Walnuts#1,CookedCranberries,"SugarCoated"Breakfast)
9. Nuggets in the Pan (Vitamin D Test Availability, This ResveratrolAm I Taking it the Right Way?, The "Sampson Secret", Walnuts #1, Cooked Cranberries, "Sugar Coated" Breakfast)
[Q]: [66%monounsaturatedfattyacids.]
[A]:
[66% monounsaturated fatty acids.]