Add punctuation: You can select the most suitable payment method bank transfer check credit card PayPal etc
A: You can select the most suitable payment method: bank transfer, check, credit card, PayPal etc.

Add punctuation: The archives reveal a host of mysterious French dishes prompting historians to pore through the French gastronomic guru Escoffiers famous cookbook from the 1900s
A: The archives reveal a host of mysterious French dishes, prompting historians to pore through the French gastronomic guru Escoffier's famous cookbook from the 1900s.

Add punctuation: Plant protection products put up in forms or packings for retail sale or as preparations or articles excl insecticides fungicides herbicides disinfectants and rodenticides
A:
Plant protection products, put up in forms or packings for retail sale or as preparations or articles (excl. insecticides, fungicides, herbicides, disinfectants and rodenticides)