Ergonomics is usable in work with the human function of balancing the body dimension with a talking device or machine. Its efforts and others are used for exhausting, regulating temperature, light, and humidity to suit the needs of the human body. The design of the seats on the combine harverter machine...

The widespread use of chitosan waste shrimp extract to reduce the toxicity of certain heavy metals can reduce the escalation of the potential threat of environmental pollution. First) shrimp shell processing is intensively done so it is not wasted freely into the environment, second) toxicity of heavy...

This research was conducted at Tapunggaya in Molawe subdistrict in North Konawe Regency in South East Sulawesi, near activity of mining Laterite Nickel. This research aims to know the impact of the activity of mining nickel laterite on the quality of groundwater. The methods used to analyze concentrations...

This research aims to determine the optimum rotational speed of homogenizers in the production of VCO emulsion using soy lecithin as the emulsifier. This research began with determination of the rotational speed, where water and VCO were added into a measuring cup according to the predetermined volume,...

Grinding is the process of reducing the particle size of processed material from a large (coarse) shape converted into a smaller size. For that whose name is grinding is the process of splitting or milling. Sizing is the process of leveling the sizes in a sieve according to the desired size so that the...

Several studies have shown that there is a debonding failure between GFRP-S and concrete. The research aimed at analyzing effectiveness of GFRP-S bonding capacity on the reinforced concrete beams submersed in the sea water within a period of one year. The testing method used a monotonic loading with...

The availability of sugarcane bagasse ash produced by Arasoe Sugar Factory, it is not used utilized. That sugarcane bagasse ash has size very fine that it can pollute the air. The sugarcane bagasse ash has silicate content, and it has pozzolan properties. The needs of construction material are something...

In this study, coir fibers were surface treated with alkali and microwave treatments. The effect of alkali and microwave treatments of coir fibers as reinforcement of coir fiber/polyester composite on water absorption and mechanical properties (tensile, flexural and impact strength) was reported. Treatments...

One of the factors causing congestion is the number of vehicles which are not proportional to the increase of the volume of the road. At the present time, people generally prefer to use private vehicles compared to public transportation due to various reasons such as convenience, travel time, faster...

The rice production ranks third of all cereals in world, after maize and wheat. However, the rice is the main carbohydrate source for the majority of the world population. Methods of research that will be done are to look at the silica composition of rice husk briquettes that can be utilized. The chemical...

The problem of imbalances in inter-regional fish stocks, the monopoly of fish distribution by some collectors, the scarcity of fish stocks in some regions still occurs in Indonesia while the country has established National Fishery Logistics System (NFLS). One of the factors causing the problem is of...

The role of irrigation is very important to increase agricultural production. Utilization of water through a good treatment system for water utilization is implemented effectively and efficiently. Sediment transport in irrigation can shorten the service life of irrigation networks, due to silting and...

The problems of congestion and queuing in Makassar city generally occur at the intersection. One of the intersections in Makassar City that experienced the problem is St. Dr. Ratulangi – St. Lanto Dg. Pasewang – St. Kasuawri. This study was conducted to analyze the junction of the berignal by the method...

This study was aimed to analyze coal a fuel in the form of briquettes. The coal was taken from the district ofDigoel and was made cylindrical and processed without carbonization. Furthermore, the coal waspassed ultimate and proximate tests along with the analysis of nature and the combustion test of...

The dry machining process using a lathe is one of the alternatives used in this research to work on the production process oriented procession. The purpose of this study is to improve the quality and efficiency of the results of the latter. Achievement quality of a product on the lathe is by looking...

Design is a design stage that has the purpose of designing a new system that can solve problems related to the selection of the best alternative system. Ergonomics is the science of other multidisciplinary learning that bridges some disciplines and professionals, as well as summarizes the information,...

A pre-stressed concrete bridge is a construction structure that connects a place to another place that is made by giving a voltage opposite the voltage caused by an external load. The process of giving tension can be carried out before the concrete is printed (pre-pull) or after the concrete is printed...

The growth and development of a city is a phe- nomenon that always occurs in every city. The increase in population affects the development of residential infrastructure, both facilities and infrastructure have an important role in the development of settlements in urban areas. The results of the study...

Tuberculosis (TB) is known as an infectious disease caused by bacterium Mycobacterium Tuberculosis. It is one of the highest diseases that occur in Indonesia. The lung disease can be identified by analyzing the x-ray image of the lung. The problem that followed is that the x-ray images were analyzed...

Water quality is one of the factors that influence the cultivation of vannamei shrimp. Therefore it is necessary to periodically monitor water quality. In this study it was designed to monitor pond water quality parameters based on Wireless Sensor Network. This system is designed to monitor the parameters...