The invention relates to a composite material comprised of a coated hard metal or cermet base and to a method for the production thereof. A number of valve lifter sleeves are mounted in a depending orientation within bores formed in the deck surface. A vacuum line near the delivery tip may used to remove excess materials or reaction by-products that build up on the surface of the skin. In specific embodiments, the method can also include receiving the question and a corresponding answer from a user interaction, crowdsourcing the question by a plurality of users, counting a number of questions in the video bitstream and other features.