[Grammar] work or works

[Snappy]

According to theLongman Dictionary of Contemporary English,
"works" is
[plural, uncountable]
a) TBC activities involved in building or repairing things such as roads, bridges etc.

Which should I use, "work" or "works" in the following cases?
1. The company deals in building maintenance works (or work?)
2. The dockyard started repair works (work?) on the ship.

 

[bhaisahab]

According to theLongman Dictionary of Contemporary English,
"works" is
[plural, uncountable]
a) TBC activities involved in building or repairing things such as roads, bridges etc.

Which should I use, "work" or "works" in the following cases?
1. The company deals in building maintenance works (or work?)
2. The dockyard started repair works (work?) on the ship.

Which should I use, "work" or "works" in the following cases?
1. The company deals in building maintenance works (or work?)
2. The dockyard started repair works (work?) on the ship.
You could use either one in those two sentences.