Version 0.19 Alpha

new contents

■ add model for mobile washing plant
■ add model for water pump
■ add model for power generator
■ add model for trailer hitch
■ add first items for food and drink

new functions

■ add function to change hud interface with different colors
■ add function for new items
■ add function for power generator
■ add different function to show details of washing plant or other machines