question: 1 may – 30 august: saturdays, sundays, public holidays
Capitalize this past sentence correctly.
A: 1 May – 30 August: Saturdays, Sundays, public holidays

question: and the weight of the machine was less.
Capitalize this past sentence correctly.
A: And the weight of the machine was less.

question: under cover of fog appeared formation of small dumbbell, but none of the scanners has not registered of whatever intruders.
Capitalize this past sentence correctly.
A: Under cover of fog appeared formation of small dumbbell, but none of the scanners has not registered of whatever intruders.