The two left-handers shared a second-wicket stand of 175 and although opener Joyce was out shortly after reaching his 11th one-day hundred 21-year-old Machan, who was playing only his third List A game for Sussex, pushed on to score an undefeated 126.
More top news
More than 40 firefighters were called to the business on Ellens Road in Deal on Friday night.
Austerity and Brexit are dividing Britons and causing a "schism" in society, the Archbishop of Canterbury has warned.
The astronaut, the first Briton to carry out a spacewalk will also be quizzed by a young audience of space enthusiasts