Add spaces: Moses'successor,JoshuabenNun,lettheArkoftheCovenantcarryaroundJericho'swallfor7days-andonthe7thday,asmanyas7times-afterwhichcitywallcrashed.Butthecirclingofthecitywallwasseenasmagical,cf.theancientritualinMeccawhereMuslimpilgrimswalkseventimesabouttheKa'aba,thesacred(meteor)rockfromthesky.

Answer: Moses' successor, Joshua ben Nun, let the Ark of the Covenant carry around Jericho's wall for 7 days - and on the 7th day, as many as 7 times - after which city wall crashed. But the circling of the city wall was seen as magical, cf. the ancient ritual in Mecca where Muslim pilgrims walk seven times about the Ka'aba, the sacred (meteor) rock from the sky.

Add spaces: Thisismoredurableandgentletoaxlesandcranks.

Answer: This is more durable and gentle to axles and cranks.

Add spaces: Thestudentswillfindthetempothatsuitsthembest.ItdoesnothavetobeneitherSP,MPnorDP.Duringthe15minutestheyhavetodo10liftstostandingworkinthesametempo.

Answer:
The students will find the tempo that suits them best. It does not have to be neither SP, MP nor DP. During the 15 minutes they have to do 10 lifts to standing work in the same tempo.