To specify the subspace spanned by three vectors, one can first form a matrix with the three vectors as its columns. Then, perform row reduction to obtain the reduced row-echelon form of the matrix. The non-zero rows of the reduced row-echelon form correspond to a basis for the subspace spanned by the three vectors. Finally, the subspace spanned by the three vectors can be specified by writing the basis vectors as a linear combination. **

An affine subspace is a subset of a vector space that is obtained by translating a subspace by a fixed vector. It is a flat geometric object that does not necessarily pass through the origin. On the other hand, a spanned subspace is a subspace that is formed by taking linear combinations of a set of vectors. It is the smallest subspace that contains all the vectors in the set. **

The parameter equation of the plane E spanned by the lines G and H can be expressed as: E: r = a + s * (b - a) + t * (c - a) where r is a point on the plane, a is a point on the plane, and b and c are points on the lines G and H, respectively. The parameters s and t are real numbers. This equation represents all the points on the plane E that can be reached by taking linear combinations of the direction vectors of the lines G and H. **

To determine the orthogonal complement of the vector space spanned by the vectors (0, 1, 2), you first need to find a basis for the subspace spanned by these vectors. In this case, the vectors (0, 1, 2) already form a basis for the subspace. Next, you can find the orthogonal complement by finding vectors that are orthogonal to all vectors in the subspace. In this case, any vector of the form (a, b, c) where a, b, and c are not all zero and satisfy the equation a*0 + b*1 + c*2 = 0 will be orthogonal to the subspace spanned by (0, 1, 2). **

The valves on heating pipes are typically ball valves or gate valves. Ball valves have a spherical disc inside that controls the flow of water by rotating the handle, while gate valves have a gate or wedge that moves up and down to control the flow. Both types of valves are used to regulate the flow of hot water through the heating system and can be manually operated to adjust the temperature or shut off the flow completely. **

Yes, the consumption of energy-saving pumps may increase when replacing heating pipes. This is because energy-saving pumps are designed to operate more efficiently and effectively with newer heating systems and pipes. The improved performance of the energy-saving pumps may lead to increased usage, as they are able to distribute heat more evenly and effectively throughout the system. Additionally, the replacement of old pipes with newer, more efficient ones may also contribute to increased energy consumption, as the system may be able to operate more efficiently overall. **

Some recommended mixers for cocktails include soda water, tonic water, ginger beer, and fruit juices such as orange, cranberry, and pineapple. These mixers can be used to create a wide variety of classic and modern cocktails, and can be easily combined with various spirits to create refreshing and flavorful drinks. Additionally, simple syrup and bitters are also commonly used as mixers to add sweetness and depth of flavor to cocktails. **

Suspension filtration works by passing a mixture of solid particles and liquid through a filter medium. The solid particles are too large to pass through the filter, so they are retained on the surface or within the pores of the filter. The liquid, which is now free of the solid particles, passes through the filter and is collected on the other side. This process separates the solid particles from the liquid, allowing for the purification or concentration of the liquid. **