Add spaces: Purepolyureaisextremelyfastcuring,hasexcellentchemicalresistanceandissuitableforimmersionandwaterproofing.

Answer: Pure polyurea is extremely fast curing, has excellent chemical resistance and is suitable for immersion and waterproofing.

Add spaces: Whiletheywerelookingsteadfastlyintotheskyashewent,behold,twomenstoodbytheminwhiteclothing,

Answer: While they were looking steadfastly into the sky as he went, behold, two men stood by them in white clothing,

Add spaces: 7:4Thewifehathnotpowerofherownbody,butthehusband:andlikewisealsothehusbandhathnotpowerofhisownbody,butthewife.

Answer:
7:4 The wife hath not power of her own body, but the husband: and likewise also the husband hath not power of his own body, but the wife.