Flow of fresh mortar, building lime gypsum binders and plasters - Plunger penetration apparatus - Air content meters - Water retention of mortar - Reactivity test apparatus - Bulk density apparatus - Fluidity test of grouts for pre-stressing tendons: grout spread method - Determination of workability test for flow of grout mortar - Fluidity test of grout for pre-stressing tendons: Cone method - Water permeability of rendering mortars - Workable life and correction time of fresh mortars - Water vapour permeability test cell - Wet sieving apparatus - Filtration behavior of drilling fluids - Mud density and viscosity - Sand content of drilling muds