This text is missing some spaces, please add them: Nohazardousmaterialslikemercury
No hazardous materials like mercury
input question: Fix spacing: Sawntimberarecalledsobecausetheyareobtainedbysawingthetreetrunk.

output answer: Sawn timber are called so because they are obtained by sawing the tree trunk.
Problem: SoundandLightShowattheTempleofPhilae
What's a sentence that uses these characters?
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Sound and Light Show at the Temple of Philae
Add spaces: Formanypeople,speakingtoalargeaudienceasa'groupspokesperson'feelsmuchsaferthanspeakingonyourownbehalf.

Answer: For many people, speaking to a large audience as a 'group spokesperson' feels much safer than speaking on your own behalf.
PlayWorldcycleSurvivalOnline

Play Worldcycle Survival Online
Add spaces: OneofhistutorsatCambridgedescribedhimasaverygoodstudentbutcertainlynotthetopstudentinhisyear.Apparentlyhewouldalwayscometohistutorialscarryingaviolincase.

Answer:
One of his tutors at Cambridge described him as a very good student but certainly not the top student in his year. Apparently he would always come to his tutorials carrying a violin case.