Selling Spoon Cement from PT Mitra Cahaya Abadi Metalindo in Surabaya. A cement spoon or also known as a cetok building is a masonry tool in the form of a mixing spoon made of metal plates and wood as a handle. This cement spoon is often used for the work of masonry, concrete, plastering, acian and the like. The shape is somewhat rounded, and there is also a rather oval, round which is usually used for stirring spoons.