Multi -storey car workshops in Singapore

One unusual thing (if you can call it a thing?) is a multi-storey building for car workshops. I do come across more and more of these in Singapore. I bet most Singaporean do not even know they exist. One usually sees these “workshops” from afar but do not know what the buildings are for.
I went to one near my house the other day to change my car battery. I saw this building for several years thinking all the while it was just another office building.
Yesterday I went to another one in Ang Moh Kio to pick up my car (see my post “Motor Car Accident”). This building is nowhere like the old motor workshop clusters in the old part of Sin Ming or Alexandra Village. From the outside it reminds one of the Centre Pompidou in Paris with its futuristic design of pipes and ducts sticking out and the calm and green landscape of a modern industrial estate of Singapore.
Inside is a different world. One has to drive through narrow dark corridors similar to that of the old HDB one room flat's. Except here both sides are car workshops in pigeon holes. With ceiling height of a typical HDB’s, and width slightly larger than a bedroom, it is amazing how each workshop can squeeze more than 2 cars into one unit. Inside the workshop there is no difference from the ones in Sin Ming or Alexandra. You see the similar greased-up Ah Seng banging away or lying beneath the car.
Building like this is actually integrated for car workshop. There are shops doing spray painting. There are shops supplying spare-parts, tyres, batteries and even car rental companies to provide spare cars when your car is being repaired. What a contrast from the calm exterior.