if you wish to return any or all parts of your order, you will need to contact customer service at contact usand obtain a "product return" form that must be included with your package.

How would the previous sentence be correctly capitalized?
Answer: If you wish to return any or all parts of your order, you will need to contact customer service at Contact Usand obtain a "Product Return" form that must be included with your package.
woven fabrics of cotton, containing predominantly, but < 85% cotton by weight, mixed principally or solely with man-made fibres and weighing <= 200 g/m, bleached (excl. those in three-thread or four-thread twill, incl. cross twill, and plain woven fabrics)

How would the previous sentence be correctly capitalized?
Answer: Woven fabrics of cotton, containing predominantly, but < 85% cotton by weight, mixed principally or solely with man-made fibres and weighing <= 200 g/m, bleached (excl. those in three-thread or four-thread twill, incl. cross twill, and plain woven fabrics)
fans' embassies also provide information that is tailored to the specific fields of interest of football supporters, such as about (inter)national fan culture and about alternative activities in the host cities. fans' embassies provide help and assistance in case of emergency (physical violence, theft, etc.) and can be addressed as mediators in conflict situations.

How would the previous sentence be correctly capitalized?
Answer: Fans' Embassies also provide information that is tailored to the specific fields of interest of football supporters, such as about (inter)national fan culture and about alternative activities in the host cities. Fans' Embassies provide help and assistance in case of emergency (physical violence, theft, etc.) and can be addressed as mediators in conflict situations.
"and war broke out in heaven: michael and his angels fought with the dragon; and the dragon and his angels fought, but they did not prevail, nor was a place found for them in heaven any longer.

How would the previous sentence be correctly capitalized?
Answer: "And war broke out in heaven: Michael and his angels fought with the dragon; and the dragon and his angels fought, but they did not prevail, nor was a place found for them in heaven any longer.