QUES: Minimum focus distance Thermal lens 15 cm 6 in

correct the punctuation.

CORRECTED: Minimum focus distance Thermal lens: 15 cm (6 in)

QUES: No binding contract give it a try

correct the punctuation.

CORRECTED: No binding contract, give it a try!

QUES: Primary seborrhea a skin disorder known as a keratinization disorder a process whereby the dogs body produces a substance known as keratin

correct the punctuation.

CORRECTED:
Primary seborrhea a skin disorder known as a keratinization disorder, a process whereby the dog's body produces a substance known as keratin.